Home / 106,528.17-147,062.10-66,254.92

Finding the Fourth Proportional to 106,528.17, 147,062.10 and 66,254.92

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Solution

The fourth proportional to 106,528.17, 147,062.10 and 66,254.92 is: 91,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,528.17 : 147,062.10 = 66,254.92 : x
  2. Step 2: Convert to fraction form
    106,528.17/147,062.10 = 66,254.92/x
  3. Step 3: Cross multiply
    106,528.17x = 147,062.10 × 66,254.92
  4. Step 4: Simplify right side
    106,528.17x = 9,743,587,670.53
  5. Step 5: Solve for x
    x = 9,743,587,670.53/106,528.17
  6. Step 6: Final answer
    x = 91,464.89

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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.