Home / 156,053.84-215,354.16-88,085.12

Finding the Fourth Proportional to 156,053.84, 215,354.16 and 88,085.12

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Solution

The fourth proportional to 156,053.84, 215,354.16 and 88,085.12 is: 121,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,053.84 : 215,354.16 = 88,085.12 : x
  2. Step 2: Convert to fraction form
    156,053.84/215,354.16 = 88,085.12/x
  3. Step 3: Cross multiply
    156,053.84x = 215,354.16 × 88,085.12
  4. Step 4: Simplify right side
    156,053.84x = 18,969,497,026.10
  5. Step 5: Solve for x
    x = 18,969,497,026.10/156,053.84
  6. Step 6: Final answer
    x = 121,557.39

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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.