Home / 148,567.16-205,025.46-91,177.72

Finding the Fourth Proportional to 148,567.16, 205,025.46 and 91,177.72

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Solution

The fourth proportional to 148,567.16, 205,025.46 and 91,177.72 is: 125,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,567.16 : 205,025.46 = 91,177.72 : x
  2. Step 2: Convert to fraction form
    148,567.16/205,025.46 = 91,177.72/x
  3. Step 3: Cross multiply
    148,567.16x = 205,025.46 × 91,177.72
  4. Step 4: Simplify right side
    148,567.16x = 18,693,753,984.75
  5. Step 5: Solve for x
    x = 18,693,753,984.75/148,567.16
  6. Step 6: Final answer
    x = 125,826.96

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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.