Home / 124,374.24-186,616.32-65,195.76

Finding the Fourth Proportional to 124,374.24, 186,616.32 and 65,195.76

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Solution

The fourth proportional to 124,374.24, 186,616.32 and 65,195.76 is: 97,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,374.24 : 186,616.32 = 65,195.76 : x
  2. Step 2: Convert to fraction form
    124,374.24/186,616.32 = 65,195.76/x
  3. Step 3: Cross multiply
    124,374.24x = 186,616.32 × 65,195.76
  4. Step 4: Simplify right side
    124,374.24x = 12,166,592,810.80
  5. Step 5: Solve for x
    x = 12,166,592,810.80/124,374.24
  6. Step 6: Final answer
    x = 97,822.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.