Home / 107,681.65-148,560.80-107,515.58

Finding the Fourth Proportional to 107,681.65, 148,560.80 and 107,515.58

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Solution

The fourth proportional to 107,681.65, 148,560.80 and 107,515.58 is: 148,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,681.65 : 148,560.80 = 107,515.58 : x
  2. Step 2: Convert to fraction form
    107,681.65/148,560.80 = 107,515.58/x
  3. Step 3: Cross multiply
    107,681.65x = 148,560.80 × 107,515.58
  4. Step 4: Simplify right side
    107,681.65x = 15,972,600,257.17
  5. Step 5: Solve for x
    x = 15,972,600,257.17/107,681.65
  6. Step 6: Final answer
    x = 148,331.68

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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.