Home / 134,868.48-186,118.32-74,439.24

Finding the Fourth Proportional to 134,868.48, 186,118.32 and 74,439.24

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Solution

The fourth proportional to 134,868.48, 186,118.32 and 74,439.24 is: 102,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868.48 : 186,118.32 = 74,439.24 : x
  2. Step 2: Convert to fraction form
    134,868.48/186,118.32 = 74,439.24/x
  3. Step 3: Cross multiply
    134,868.48x = 186,118.32 × 74,439.24
  4. Step 4: Simplify right side
    134,868.48x = 13,854,506,290.88
  5. Step 5: Solve for x
    x = 13,854,506,290.88/134,868.48
  6. Step 6: Final answer
    x = 102,726.05

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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.