Home / 156,265.02-215,503.97-102,529.62

Finding the Fourth Proportional to 156,265.02, 215,503.97 and 102,529.62

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Solution

The fourth proportional to 156,265.02, 215,503.97 and 102,529.62 is: 141,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,265.02 : 215,503.97 = 102,529.62 : x
  2. Step 2: Convert to fraction form
    156,265.02/215,503.97 = 102,529.62/x
  3. Step 3: Cross multiply
    156,265.02x = 215,503.97 × 102,529.62
  4. Step 4: Simplify right side
    156,265.02x = 22,095,539,639.94
  5. Step 5: Solve for x
    x = 22,095,539,639.94/156,265.02
  6. Step 6: Final answer
    x = 141,397.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.