Home / 156,631.86-215,988.53-92,957.36

Finding the Fourth Proportional to 156,631.86, 215,988.53 and 92,957.36

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Solution

The fourth proportional to 156,631.86, 215,988.53 and 92,957.36 is: 128,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.86 : 215,988.53 = 92,957.36 : x
  2. Step 2: Convert to fraction form
    156,631.86/215,988.53 = 92,957.36/x
  3. Step 3: Cross multiply
    156,631.86x = 215,988.53 × 92,957.36
  4. Step 4: Simplify right side
    156,631.86x = 20,077,721,994.35
  5. Step 5: Solve for x
    x = 20,077,721,994.35/156,631.86
  6. Step 6: Final answer
    x = 128,184.15

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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.