Home / 125,526.78-173,228.18-68,938.16

Finding the Fourth Proportional to 125,526.78, 173,228.18 and 68,938.16

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Solution

The fourth proportional to 125,526.78, 173,228.18 and 68,938.16 is: 95,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,526.78 : 173,228.18 = 68,938.16 : x
  2. Step 2: Convert to fraction form
    125,526.78/173,228.18 = 68,938.16/x
  3. Step 3: Cross multiply
    125,526.78x = 173,228.18 × 68,938.16
  4. Step 4: Simplify right side
    125,526.78x = 11,942,030,778.52
  5. Step 5: Solve for x
    x = 11,942,030,778.52/125,526.78
  6. Step 6: Final answer
    x = 95,135.32

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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.