Home / 134,195.96-185,207.88-86,587.80

Finding the Fourth Proportional to 134,195.96, 185,207.88 and 86,587.80

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Solution

The fourth proportional to 134,195.96, 185,207.88 and 86,587.80 is: 119,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,195.96 : 185,207.88 = 86,587.80 : x
  2. Step 2: Convert to fraction form
    134,195.96/185,207.88 = 86,587.80/x
  3. Step 3: Cross multiply
    134,195.96x = 185,207.88 × 86,587.80
  4. Step 4: Simplify right side
    134,195.96x = 16,036,742,871.86
  5. Step 5: Solve for x
    x = 16,036,742,871.86/134,195.96
  6. Step 6: Final answer
    x = 119,502.43

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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.