Home / 125,433.54-173,179.38-77,737.50

Finding the Fourth Proportional to 125,433.54, 173,179.38 and 77,737.50

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Solution

The fourth proportional to 125,433.54, 173,179.38 and 77,737.50 is: 107,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,433.54 : 173,179.38 = 77,737.50 : x
  2. Step 2: Convert to fraction form
    125,433.54/173,179.38 = 77,737.50/x
  3. Step 3: Cross multiply
    125,433.54x = 173,179.38 × 77,737.50
  4. Step 4: Simplify right side
    125,433.54x = 13,462,532,052.75
  5. Step 5: Solve for x
    x = 13,462,532,052.75/125,433.54
  6. Step 6: Final answer
    x = 107,328.01

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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.