Home / 106,678.06-147,215.25-58,931.43

Finding the Fourth Proportional to 106,678.06, 147,215.25 and 58,931.43

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Solution

The fourth proportional to 106,678.06, 147,215.25 and 58,931.43 is: 81,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,678.06 : 147,215.25 = 58,931.43 : x
  2. Step 2: Convert to fraction form
    106,678.06/147,215.25 = 58,931.43/x
  3. Step 3: Cross multiply
    106,678.06x = 147,215.25 × 58,931.43
  4. Step 4: Simplify right side
    106,678.06x = 8,675,605,200.31
  5. Step 5: Solve for x
    x = 8,675,605,200.31/106,678.06
  6. Step 6: Final answer
    x = 81,325.11

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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.