Home / 134,863.83-186,006.87-86,470.38

Finding the Fourth Proportional to 134,863.83, 186,006.87 and 86,470.38

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Solution

The fourth proportional to 134,863.83, 186,006.87 and 86,470.38 is: 119,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,863.83 : 186,006.87 = 86,470.38 : x
  2. Step 2: Convert to fraction form
    134,863.83/186,006.87 = 86,470.38/x
  3. Step 3: Cross multiply
    134,863.83x = 186,006.87 × 86,470.38
  4. Step 4: Simplify right side
    134,863.83x = 16,084,084,731.51
  5. Step 5: Solve for x
    x = 16,084,084,731.51/134,863.83
  6. Step 6: Final answer
    x = 119,261.66

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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.