Home / 156,685.60-234,938.25-83,565.35

Finding the Fourth Proportional to 156,685.60, 234,938.25 and 83,565.35

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Solution

The fourth proportional to 156,685.60, 234,938.25 and 83,565.35 is: 125,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,685.60 : 234,938.25 = 83,565.35 : x
  2. Step 2: Convert to fraction form
    156,685.60/234,938.25 = 83,565.35/x
  3. Step 3: Cross multiply
    156,685.60x = 234,938.25 × 83,565.35
  4. Step 4: Simplify right side
    156,685.60x = 19,632,696,795.96
  5. Step 5: Solve for x
    x = 19,632,696,795.96/156,685.60
  6. Step 6: Final answer
    x = 125,299.94

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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.