Home / 156,626.55-234,948.02-72,465.32

Finding the Fourth Proportional to 156,626.55, 234,948.02 and 72,465.32

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Solution

The fourth proportional to 156,626.55, 234,948.02 and 72,465.32 is: 108,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,626.55 : 234,948.02 = 72,465.32 : x
  2. Step 2: Convert to fraction form
    156,626.55/234,948.02 = 72,465.32/x
  3. Step 3: Cross multiply
    156,626.55x = 234,948.02 × 72,465.32
  4. Step 4: Simplify right side
    156,626.55x = 17,025,583,452.67
  5. Step 5: Solve for x
    x = 17,025,583,452.67/156,626.55
  6. Step 6: Final answer
    x = 108,701.77

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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.