Home / 103,406.22-142,700.66-58,084.22

Finding the Fourth Proportional to 103,406.22, 142,700.66 and 58,084.22

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Solution

The fourth proportional to 103,406.22, 142,700.66 and 58,084.22 is: 80,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,406.22 : 142,700.66 = 58,084.22 : x
  2. Step 2: Convert to fraction form
    103,406.22/142,700.66 = 58,084.22/x
  3. Step 3: Cross multiply
    103,406.22x = 142,700.66 × 58,084.22
  4. Step 4: Simplify right side
    103,406.22x = 8,288,656,529.59
  5. Step 5: Solve for x
    x = 8,288,656,529.59/103,406.22
  6. Step 6: Final answer
    x = 80,156.27

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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.