Home / 141,600.42-195,401.16-77,925.96

Finding the Fourth Proportional to 141,600.42, 195,401.16 and 77,925.96

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Solution

The fourth proportional to 141,600.42, 195,401.16 and 77,925.96 is: 107,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,600.42 : 195,401.16 = 77,925.96 : x
  2. Step 2: Convert to fraction form
    141,600.42/195,401.16 = 77,925.96/x
  3. Step 3: Cross multiply
    141,600.42x = 195,401.16 × 77,925.96
  4. Step 4: Simplify right side
    141,600.42x = 15,226,822,978.11
  5. Step 5: Solve for x
    x = 15,226,822,978.11/141,600.42
  6. Step 6: Final answer
    x = 107,533.74

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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.