Home / 125,657.46-173,499.03-87,353.10

Finding the Fourth Proportional to 125,657.46, 173,499.03 and 87,353.10

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Solution

The fourth proportional to 125,657.46, 173,499.03 and 87,353.10 is: 120,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,657.46 : 173,499.03 = 87,353.10 : x
  2. Step 2: Convert to fraction form
    125,657.46/173,499.03 = 87,353.10/x
  3. Step 3: Cross multiply
    125,657.46x = 173,499.03 × 87,353.10
  4. Step 4: Simplify right side
    125,657.46x = 15,155,678,117.49
  5. Step 5: Solve for x
    x = 15,155,678,117.49/125,657.46
  6. Step 6: Final answer
    x = 120,611.05

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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.