Home / 141,454.07-195,208.55-81,024.68

Finding the Fourth Proportional to 141,454.07, 195,208.55 and 81,024.68

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Solution

The fourth proportional to 141,454.07, 195,208.55 and 81,024.68 is: 111,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.07 : 195,208.55 = 81,024.68 : x
  2. Step 2: Convert to fraction form
    141,454.07/195,208.55 = 81,024.68/x
  3. Step 3: Cross multiply
    141,454.07x = 195,208.55 × 81,024.68
  4. Step 4: Simplify right side
    141,454.07x = 15,816,709,585.71
  5. Step 5: Solve for x
    x = 15,816,709,585.71/141,454.07
  6. Step 6: Final answer
    x = 111,815.16

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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.