Home / 141,800.03-195,681.52-77,269.83

Finding the Fourth Proportional to 141,800.03, 195,681.52 and 77,269.83

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Solution

The fourth proportional to 141,800.03, 195,681.52 and 77,269.83 is: 106,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,800.03 : 195,681.52 = 77,269.83 : x
  2. Step 2: Convert to fraction form
    141,800.03/195,681.52 = 77,269.83/x
  3. Step 3: Cross multiply
    141,800.03x = 195,681.52 × 77,269.83
  4. Step 4: Simplify right side
    141,800.03x = 15,120,277,147.32
  5. Step 5: Solve for x
    x = 15,120,277,147.32/141,800.03
  6. Step 6: Final answer
    x = 106,630.99

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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.