Home / 156,152.73-215,488.98-84,531.18

Finding the Fourth Proportional to 156,152.73, 215,488.98 and 84,531.18

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Solution

The fourth proportional to 156,152.73, 215,488.98 and 84,531.18 is: 116,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,152.73 : 215,488.98 = 84,531.18 : x
  2. Step 2: Convert to fraction form
    156,152.73/215,488.98 = 84,531.18/x
  3. Step 3: Cross multiply
    156,152.73x = 215,488.98 × 84,531.18
  4. Step 4: Simplify right side
    156,152.73x = 18,215,537,756.40
  5. Step 5: Solve for x
    x = 18,215,537,756.40/156,152.73
  6. Step 6: Final answer
    x = 116,652.06

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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.