Home / 124,454.08-186,680.31-74,548.36

Finding the Fourth Proportional to 124,454.08, 186,680.31 and 74,548.36

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Solution

The fourth proportional to 124,454.08, 186,680.31 and 74,548.36 is: 111,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,454.08 : 186,680.31 = 74,548.36 : x
  2. Step 2: Convert to fraction form
    124,454.08/186,680.31 = 74,548.36/x
  3. Step 3: Cross multiply
    124,454.08x = 186,680.31 × 74,548.36
  4. Step 4: Simplify right side
    124,454.08x = 13,916,710,954.79
  5. Step 5: Solve for x
    x = 13,916,710,954.79/124,454.08
  6. Step 6: Final answer
    x = 111,822.05

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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.