Home / 141,509.04-195,171.92-87,763.92

Finding the Fourth Proportional to 141,509.04, 195,171.92 and 87,763.92

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Solution

The fourth proportional to 141,509.04, 195,171.92 and 87,763.92 is: 121,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,509.04 : 195,171.92 = 87,763.92 : x
  2. Step 2: Convert to fraction form
    141,509.04/195,171.92 = 87,763.92/x
  3. Step 3: Cross multiply
    141,509.04x = 195,171.92 × 87,763.92
  4. Step 4: Simplify right side
    141,509.04x = 17,129,052,773.13
  5. Step 5: Solve for x
    x = 17,129,052,773.13/141,509.04
  6. Step 6: Final answer
    x = 121,045.64

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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.