Home / 156,184.83-215,526.56-91,645.38

Finding the Fourth Proportional to 156,184.83, 215,526.56 and 91,645.38

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Solution

The fourth proportional to 156,184.83, 215,526.56 and 91,645.38 is: 126,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,184.83 : 215,526.56 = 91,645.38 : x
  2. Step 2: Convert to fraction form
    156,184.83/215,526.56 = 91,645.38/x
  3. Step 3: Cross multiply
    156,184.83x = 215,526.56 × 91,645.38
  4. Step 4: Simplify right side
    156,184.83x = 19,752,013,033.07
  5. Step 5: Solve for x
    x = 19,752,013,033.07/156,184.83
  6. Step 6: Final answer
    x = 126,465.63

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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.