Home / 141,439.65-195,184.53-77,777.30

Finding the Fourth Proportional to 141,439.65, 195,184.53 and 77,777.30

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Solution

The fourth proportional to 141,439.65, 195,184.53 and 77,777.30 is: 107,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,439.65 : 195,184.53 = 77,777.30 : x
  2. Step 2: Convert to fraction form
    141,439.65/195,184.53 = 77,777.30/x
  3. Step 3: Cross multiply
    141,439.65x = 195,184.53 × 77,777.30
  4. Step 4: Simplify right side
    141,439.65x = 15,180,924,769.25
  5. Step 5: Solve for x
    x = 15,180,924,769.25/141,439.65
  6. Step 6: Final answer
    x = 107,331.46

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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.