Home / 156,501.40-234,752.10-45,693.40

Finding the Fourth Proportional to 156,501.40, 234,752.10 and 45,693.40

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Solution

The fourth proportional to 156,501.40, 234,752.10 and 45,693.40 is: 68,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,501.40 : 234,752.10 = 45,693.40 : x
  2. Step 2: Convert to fraction form
    156,501.40/234,752.10 = 45,693.40/x
  3. Step 3: Cross multiply
    156,501.40x = 234,752.10 × 45,693.40
  4. Step 4: Simplify right side
    156,501.40x = 10,726,621,606.14
  5. Step 5: Solve for x
    x = 10,726,621,606.14/156,501.40
  6. Step 6: Final answer
    x = 68,540.10

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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.