Home / 134,395.26-185,388.30-84,006.78

Finding the Fourth Proportional to 134,395.26, 185,388.30 and 84,006.78

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Solution

The fourth proportional to 134,395.26, 185,388.30 and 84,006.78 is: 115,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,395.26 : 185,388.30 = 84,006.78 : x
  2. Step 2: Convert to fraction form
    134,395.26/185,388.30 = 84,006.78/x
  3. Step 3: Cross multiply
    134,395.26x = 185,388.30 × 84,006.78
  4. Step 4: Simplify right side
    134,395.26x = 15,573,874,132.67
  5. Step 5: Solve for x
    x = 15,573,874,132.67/134,395.26
  6. Step 6: Final answer
    x = 115,881.13

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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.