Home / 141,829.98-195,790.05-101,020.38

Finding the Fourth Proportional to 141,829.98, 195,790.05 and 101,020.38

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Solution

The fourth proportional to 141,829.98, 195,790.05 and 101,020.38 is: 139,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,829.98 : 195,790.05 = 101,020.38 : x
  2. Step 2: Convert to fraction form
    141,829.98/195,790.05 = 101,020.38/x
  3. Step 3: Cross multiply
    141,829.98x = 195,790.05 × 101,020.38
  4. Step 4: Simplify right side
    141,829.98x = 19,778,785,251.22
  5. Step 5: Solve for x
    x = 19,778,785,251.22/141,829.98
  6. Step 6: Final answer
    x = 139,454.19

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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.