Home / 106,555.28-147,065.33-63,537.55

Finding the Fourth Proportional to 106,555.28, 147,065.33 and 63,537.55

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Solution

The fourth proportional to 106,555.28, 147,065.33 and 63,537.55 is: 87,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,555.28 : 147,065.33 = 63,537.55 : x
  2. Step 2: Convert to fraction form
    106,555.28/147,065.33 = 63,537.55/x
  3. Step 3: Cross multiply
    106,555.28x = 147,065.33 × 63,537.55
  4. Step 4: Simplify right side
    106,555.28x = 9,344,170,549.32
  5. Step 5: Solve for x
    x = 9,344,170,549.32/106,555.28
  6. Step 6: Final answer
    x = 87,693.18

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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.