Home / 121,507.42-182,261.13-38,394.94

Finding the Fourth Proportional to 121,507.42, 182,261.13 and 38,394.94

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Solution

The fourth proportional to 121,507.42, 182,261.13 and 38,394.94 is: 57,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,507.42 : 182,261.13 = 38,394.94 : x
  2. Step 2: Convert to fraction form
    121,507.42/182,261.13 = 38,394.94/x
  3. Step 3: Cross multiply
    121,507.42x = 182,261.13 × 38,394.94
  4. Step 4: Simplify right side
    121,507.42x = 6,997,904,551.05
  5. Step 5: Solve for x
    x = 6,997,904,551.05/121,507.42
  6. Step 6: Final answer
    x = 57,592.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.