Home / 125,962.28-173,822.34-72,208.76

Finding the Fourth Proportional to 125,962.28, 173,822.34 and 72,208.76

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Solution

The fourth proportional to 125,962.28, 173,822.34 and 72,208.76 is: 99,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,962.28 : 173,822.34 = 72,208.76 : x
  2. Step 2: Convert to fraction form
    125,962.28/173,822.34 = 72,208.76/x
  3. Step 3: Cross multiply
    125,962.28x = 173,822.34 × 72,208.76
  4. Step 4: Simplify right side
    125,962.28x = 12,551,495,631.70
  5. Step 5: Solve for x
    x = 12,551,495,631.70/125,962.28
  6. Step 6: Final answer
    x = 99,644.87

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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.