Home / 141,454.55-195,209.65-81,030.47

Finding the Fourth Proportional to 141,454.55, 195,209.65 and 81,030.47

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Solution

The fourth proportional to 141,454.55, 195,209.65 and 81,030.47 is: 111,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.55 : 195,209.65 = 81,030.47 : x
  2. Step 2: Convert to fraction form
    141,454.55/195,209.65 = 81,030.47/x
  3. Step 3: Cross multiply
    141,454.55x = 195,209.65 × 81,030.47
  4. Step 4: Simplify right side
    141,454.55x = 15,817,929,688.04
  5. Step 5: Solve for x
    x = 15,817,929,688.04/141,454.55
  6. Step 6: Final answer
    x = 111,823.41

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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.