Home / 127,318.19-175,633.20-86,484.42

Finding the Fourth Proportional to 127,318.19, 175,633.20 and 86,484.42

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Solution

The fourth proportional to 127,318.19, 175,633.20 and 86,484.42 is: 119,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,318.19 : 175,633.20 = 86,484.42 : x
  2. Step 2: Convert to fraction form
    127,318.19/175,633.20 = 86,484.42/x
  3. Step 3: Cross multiply
    127,318.19x = 175,633.20 × 86,484.42
  4. Step 4: Simplify right side
    127,318.19x = 15,189,535,434.74
  5. Step 5: Solve for x
    x = 15,189,535,434.74/127,318.19
  6. Step 6: Final answer
    x = 119,303.74

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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.