Home / 141,424.08-195,166.44-81,000.24

Finding the Fourth Proportional to 141,424.08, 195,166.44 and 81,000.24

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Solution

The fourth proportional to 141,424.08, 195,166.44 and 81,000.24 is: 111,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,424.08 : 195,166.44 = 81,000.24 : x
  2. Step 2: Convert to fraction form
    141,424.08/195,166.44 = 81,000.24/x
  3. Step 3: Cross multiply
    141,424.08x = 195,166.44 × 81,000.24
  4. Step 4: Simplify right side
    141,424.08x = 15,808,528,479.95
  5. Step 5: Solve for x
    x = 15,808,528,479.95/141,424.08
  6. Step 6: Final answer
    x = 111,781.02

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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.