Home / 107,622.16-148,363.06-71,262.76

Finding the Fourth Proportional to 107,622.16, 148,363.06 and 71,262.76

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Solution

The fourth proportional to 107,622.16, 148,363.06 and 71,262.76 is: 98,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,622.16 : 148,363.06 = 71,262.76 : x
  2. Step 2: Convert to fraction form
    107,622.16/148,363.06 = 71,262.76/x
  3. Step 3: Cross multiply
    107,622.16x = 148,363.06 × 71,262.76
  4. Step 4: Simplify right side
    107,622.16x = 10,572,761,137.65
  5. Step 5: Solve for x
    x = 10,572,761,137.65/107,622.16
  6. Step 6: Final answer
    x = 98,239.63

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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.