Home / 209,174.83-288,663.50-113,681.53

Finding the Fourth Proportional to 209,174.83, 288,663.50 and 113,681.53

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Solution

The fourth proportional to 209,174.83, 288,663.50 and 113,681.53 is: 156,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,174.83 : 288,663.50 = 113,681.53 : x
  2. Step 2: Convert to fraction form
    209,174.83/288,663.50 = 113,681.53/x
  3. Step 3: Cross multiply
    209,174.83x = 288,663.50 × 113,681.53
  4. Step 4: Simplify right side
    209,174.83x = 32,815,708,335.16
  5. Step 5: Solve for x
    x = 32,815,708,335.16/209,174.83
  6. Step 6: Final answer
    x = 156,881.73

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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.