Home / 107,238.20-147,988.90-59,491.55

Finding the Fourth Proportional to 107,238.20, 147,988.90 and 59,491.55

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Solution

The fourth proportional to 107,238.20, 147,988.90 and 59,491.55 is: 82,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,238.20 : 147,988.90 = 59,491.55 : x
  2. Step 2: Convert to fraction form
    107,238.20/147,988.90 = 59,491.55/x
  3. Step 3: Cross multiply
    107,238.20x = 147,988.90 × 59,491.55
  4. Step 4: Simplify right side
    107,238.20x = 8,804,089,153.49
  5. Step 5: Solve for x
    x = 8,804,089,153.49/107,238.20
  6. Step 6: Final answer
    x = 82,098.44

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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.