Home / 141,609.60-195,421.29-77,946.93

Finding the Fourth Proportional to 141,609.60, 195,421.29 and 77,946.93

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Solution

The fourth proportional to 141,609.60, 195,421.29 and 77,946.93 is: 107,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,609.60 : 195,421.29 = 77,946.93 : x
  2. Step 2: Convert to fraction form
    141,609.60/195,421.29 = 77,946.93/x
  3. Step 3: Cross multiply
    141,609.60x = 195,421.29 × 77,946.93
  4. Step 4: Simplify right side
    141,609.60x = 15,232,489,612.14
  5. Step 5: Solve for x
    x = 15,232,489,612.14/141,609.60
  6. Step 6: Final answer
    x = 107,566.79

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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.