Home / 156,001.64-215,281.67-84,381.57

Finding the Fourth Proportional to 156,001.64, 215,281.67 and 84,381.57

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Solution

The fourth proportional to 156,001.64, 215,281.67 and 84,381.57 is: 116,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,001.64 : 215,281.67 = 84,381.57 : x
  2. Step 2: Convert to fraction form
    156,001.64/215,281.67 = 84,381.57/x
  3. Step 3: Cross multiply
    156,001.64x = 215,281.67 × 84,381.57
  4. Step 4: Simplify right side
    156,001.64x = 18,165,804,884.91
  5. Step 5: Solve for x
    x = 18,165,804,884.91/156,001.64
  6. Step 6: Final answer
    x = 116,446.25

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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.