Home / 108,222.45-149,346.63-60,475.79

Finding the Fourth Proportional to 108,222.45, 149,346.63 and 60,475.79

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Solution

The fourth proportional to 108,222.45, 149,346.63 and 60,475.79 is: 83,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,222.45 : 149,346.63 = 60,475.79 : x
  2. Step 2: Convert to fraction form
    108,222.45/149,346.63 = 60,475.79/x
  3. Step 3: Cross multiply
    108,222.45x = 149,346.63 × 60,475.79
  4. Step 4: Simplify right side
    108,222.45x = 9,031,854,686.35
  5. Step 5: Solve for x
    x = 9,031,854,686.35/108,222.45
  6. Step 6: Final answer
    x = 83,456.39

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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.