Home / 511,199.28-766,798.91-156,210.23

Finding the Fourth Proportional to 511,199.28, 766,798.91 and 156,210.23

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Solution

The fourth proportional to 511,199.28, 766,798.91 and 156,210.23 is: 234,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,199.28 : 766,798.91 = 156,210.23 : x
  2. Step 2: Convert to fraction form
    511,199.28/766,798.91 = 156,210.23/x
  3. Step 3: Cross multiply
    511,199.28x = 766,798.91 × 156,210.23
  4. Step 4: Simplify right side
    511,199.28x = 119,781,830,651.38
  5. Step 5: Solve for x
    x = 119,781,830,651.38/511,199.28
  6. Step 6: Final answer
    x = 234,315.34

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.