Home / 215,658.23-297,608.36-125,066.74

Finding the Fourth Proportional to 215,658.23, 297,608.36 and 125,066.74

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Solution

The fourth proportional to 215,658.23, 297,608.36 and 125,066.74 is: 172,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,658.23 : 297,608.36 = 125,066.74 : x
  2. Step 2: Convert to fraction form
    215,658.23/297,608.36 = 125,066.74/x
  3. Step 3: Cross multiply
    215,658.23x = 297,608.36 × 125,066.74
  4. Step 4: Simplify right side
    215,658.23x = 37,220,906,437.08
  5. Step 5: Solve for x
    x = 37,220,906,437.08/215,658.23
  6. Step 6: Final answer
    x = 172,592.10

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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.