Home / 187,284.48-258,443.52-106,730.88

Finding the Fourth Proportional to 187,284.48, 258,443.52 and 106,730.88

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Solution

The fourth proportional to 187,284.48, 258,443.52 and 106,730.88 is: 147,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,284.48 : 258,443.52 = 106,730.88 : x
  2. Step 2: Convert to fraction form
    187,284.48/258,443.52 = 106,730.88/x
  3. Step 3: Cross multiply
    187,284.48x = 258,443.52 × 106,730.88
  4. Step 4: Simplify right side
    187,284.48x = 27,583,904,319.90
  5. Step 5: Solve for x
    x = 27,583,904,319.90/187,284.48
  6. Step 6: Final answer
    x = 147,283.45

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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.