Home / 141,475.96-195,230.76-77,809.64

Finding the Fourth Proportional to 141,475.96, 195,230.76 and 77,809.64

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Solution

The fourth proportional to 141,475.96, 195,230.76 and 77,809.64 is: 107,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,475.96 : 195,230.76 = 77,809.64 : x
  2. Step 2: Convert to fraction form
    141,475.96/195,230.76 = 77,809.64/x
  3. Step 3: Cross multiply
    141,475.96x = 195,230.76 × 77,809.64
  4. Step 4: Simplify right side
    141,475.96x = 15,190,835,152.53
  5. Step 5: Solve for x
    x = 15,190,835,152.53/141,475.96
  6. Step 6: Final answer
    x = 107,373.97

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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.