Home / 106,178.97-146,527-58,432.32

Finding the Fourth Proportional to 106,178.97, 146,527 and 58,432.32

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Solution

The fourth proportional to 106,178.97, 146,527 and 58,432.32 is: 80,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,178.97 : 146,527 = 58,432.32 : x
  2. Step 2: Convert to fraction form
    106,178.97/146,527 = 58,432.32/x
  3. Step 3: Cross multiply
    106,178.97x = 146,527 × 58,432.32
  4. Step 4: Simplify right side
    106,178.97x = 8,561,911,820.01
  5. Step 5: Solve for x
    x = 8,561,911,820.01/106,178.97
  6. Step 6: Final answer
    x = 80,636.61

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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.