Home / 115,406.20-173,186.88-40,526.92

Finding the Fourth Proportional to 115,406.20, 173,186.88 and 40,526.92

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Solution

The fourth proportional to 115,406.20, 173,186.88 and 40,526.92 is: 60,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,406.20 : 173,186.88 = 40,526.92 : x
  2. Step 2: Convert to fraction form
    115,406.20/173,186.88 = 40,526.92/x
  3. Step 3: Cross multiply
    115,406.20x = 173,186.88 × 40,526.92
  4. Step 4: Simplify right side
    115,406.20x = 7,018,730,830.81
  5. Step 5: Solve for x
    x = 7,018,730,830.81/115,406.20
  6. Step 6: Final answer
    x = 60,817.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.