Home / 141,683.40-195,470.28-81,232.56

Finding the Fourth Proportional to 141,683.40, 195,470.28 and 81,232.56

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Solution

The fourth proportional to 141,683.40, 195,470.28 and 81,232.56 is: 112,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,683.40 : 195,470.28 = 81,232.56 : x
  2. Step 2: Convert to fraction form
    141,683.40/195,470.28 = 81,232.56/x
  3. Step 3: Cross multiply
    141,683.40x = 195,470.28 × 81,232.56
  4. Step 4: Simplify right side
    141,683.40x = 15,878,551,248.32
  5. Step 5: Solve for x
    x = 15,878,551,248.32/141,683.40
  6. Step 6: Final answer
    x = 112,070.65

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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.