Home / 135,452.15-186,925.56-75,023.86

Finding the Fourth Proportional to 135,452.15, 186,925.56 and 75,023.86

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Solution

The fourth proportional to 135,452.15, 186,925.56 and 75,023.86 is: 103,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,452.15 : 186,925.56 = 75,023.86 : x
  2. Step 2: Convert to fraction form
    135,452.15/186,925.56 = 75,023.86/x
  3. Step 3: Cross multiply
    135,452.15x = 186,925.56 × 75,023.86
  4. Step 4: Simplify right side
    135,452.15x = 14,023,875,734.11
  5. Step 5: Solve for x
    x = 14,023,875,734.11/135,452.15
  6. Step 6: Final answer
    x = 103,533.80

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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.