Home / 141,419.39-195,147.16-83,266.92

Finding the Fourth Proportional to 141,419.39, 195,147.16 and 83,266.92

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Solution

The fourth proportional to 141,419.39, 195,147.16 and 83,266.92 is: 114,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,419.39 : 195,147.16 = 83,266.92 : x
  2. Step 2: Convert to fraction form
    141,419.39/195,147.16 = 83,266.92/x
  3. Step 3: Cross multiply
    141,419.39x = 195,147.16 × 83,266.92
  4. Step 4: Simplify right side
    141,419.39x = 16,249,302,751.78
  5. Step 5: Solve for x
    x = 16,249,302,751.78/141,419.39
  6. Step 6: Final answer
    x = 114,901.52

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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.