Home / 141,330.81-195,027.35-80,901.93

Finding the Fourth Proportional to 141,330.81, 195,027.35 and 80,901.93

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Solution

The fourth proportional to 141,330.81, 195,027.35 and 80,901.93 is: 111,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330.81 : 195,027.35 = 80,901.93 : x
  2. Step 2: Convert to fraction form
    141,330.81/195,027.35 = 80,901.93/x
  3. Step 3: Cross multiply
    141,330.81x = 195,027.35 × 80,901.93
  4. Step 4: Simplify right side
    141,330.81x = 15,778,088,613.28
  5. Step 5: Solve for x
    x = 15,778,088,613.28/141,330.81
  6. Step 6: Final answer
    x = 111,639.41

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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.