Home / 131,827.26-181,920.57-71,396.52

Finding the Fourth Proportional to 131,827.26, 181,920.57 and 71,396.52

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Solution

The fourth proportional to 131,827.26, 181,920.57 and 71,396.52 is: 98,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,827.26 : 181,920.57 = 71,396.52 : x
  2. Step 2: Convert to fraction form
    131,827.26/181,920.57 = 71,396.52/x
  3. Step 3: Cross multiply
    131,827.26x = 181,920.57 × 71,396.52
  4. Step 4: Simplify right side
    131,827.26x = 12,988,495,614.42
  5. Step 5: Solve for x
    x = 12,988,495,614.42/131,827.26
  6. Step 6: Final answer
    x = 98,526.63

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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.