Home / 106,686.88-147,215.28-58,937.36

Finding the Fourth Proportional to 106,686.88, 147,215.28 and 58,937.36

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Solution

The fourth proportional to 106,686.88, 147,215.28 and 58,937.36 is: 81,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,686.88 : 147,215.28 = 58,937.36 : x
  2. Step 2: Convert to fraction form
    106,686.88/147,215.28 = 58,937.36/x
  3. Step 3: Cross multiply
    106,686.88x = 147,215.28 × 58,937.36
  4. Step 4: Simplify right side
    106,686.88x = 8,676,479,954.86
  5. Step 5: Solve for x
    x = 8,676,479,954.86/106,686.88
  6. Step 6: Final answer
    x = 81,326.59

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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.