Home / 134,863.58-186,006.53-86,470.13

Finding the Fourth Proportional to 134,863.58, 186,006.53 and 86,470.13

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Solution

The fourth proportional to 134,863.58, 186,006.53 and 86,470.13 is: 119,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,863.58 : 186,006.53 = 86,470.13 : x
  2. Step 2: Convert to fraction form
    134,863.58/186,006.53 = 86,470.13/x
  3. Step 3: Cross multiply
    134,863.58x = 186,006.53 × 86,470.13
  4. Step 4: Simplify right side
    134,863.58x = 16,084,008,397.60
  5. Step 5: Solve for x
    x = 16,084,008,397.60/134,863.58
  6. Step 6: Final answer
    x = 119,261.32

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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.