Home / 121,614.76-182,431.86-42,746.68

Finding the Fourth Proportional to 121,614.76, 182,431.86 and 42,746.68

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Solution

The fourth proportional to 121,614.76, 182,431.86 and 42,746.68 is: 64,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,614.76 : 182,431.86 = 42,746.68 : x
  2. Step 2: Convert to fraction form
    121,614.76/182,431.86 = 42,746.68/x
  3. Step 3: Cross multiply
    121,614.76x = 182,431.86 × 42,746.68
  4. Step 4: Simplify right side
    121,614.76x = 7,798,355,885.15
  5. Step 5: Solve for x
    x = 7,798,355,885.15/121,614.76
  6. Step 6: Final answer
    x = 64,123.43

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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.