Home / 124,427.80-186,641.70-73,908.10

Finding the Fourth Proportional to 124,427.80, 186,641.70 and 73,908.10

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Solution

The fourth proportional to 124,427.80, 186,641.70 and 73,908.10 is: 110,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427.80 : 186,641.70 = 73,908.10 : x
  2. Step 2: Convert to fraction form
    124,427.80/186,641.70 = 73,908.10/x
  3. Step 3: Cross multiply
    124,427.80x = 186,641.70 × 73,908.10
  4. Step 4: Simplify right side
    124,427.80x = 13,794,333,427.77
  5. Step 5: Solve for x
    x = 13,794,333,427.77/124,427.80
  6. Step 6: Final answer
    x = 110,862.15

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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.