Home / 156,801.16-216,387.44-85,182.31

Finding the Fourth Proportional to 156,801.16, 216,387.44 and 85,182.31

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Solution

The fourth proportional to 156,801.16, 216,387.44 and 85,182.31 is: 117,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,801.16 : 216,387.44 = 85,182.31 : x
  2. Step 2: Convert to fraction form
    156,801.16/216,387.44 = 85,182.31/x
  3. Step 3: Cross multiply
    156,801.16x = 216,387.44 × 85,182.31
  4. Step 4: Simplify right side
    156,801.16x = 18,432,381,346.74
  5. Step 5: Solve for x
    x = 18,432,381,346.74/156,801.16
  6. Step 6: Final answer
    x = 117,552.58

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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.