Home / 156,632.40-234,948.60-51,437.70

Finding the Fourth Proportional to 156,632.40, 234,948.60 and 51,437.70

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Solution

The fourth proportional to 156,632.40, 234,948.60 and 51,437.70 is: 77,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,632.40 : 234,948.60 = 51,437.70 : x
  2. Step 2: Convert to fraction form
    156,632.40/234,948.60 = 51,437.70/x
  3. Step 3: Cross multiply
    156,632.40x = 234,948.60 × 51,437.70
  4. Step 4: Simplify right side
    156,632.40x = 12,085,215,602.22
  5. Step 5: Solve for x
    x = 12,085,215,602.22/156,632.40
  6. Step 6: Final answer
    x = 77,156.55

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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.