Home / 124,202.08-171,599.28-86,644

Finding the Fourth Proportional to 124,202.08, 171,599.28 and 86,644

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Solution

The fourth proportional to 124,202.08, 171,599.28 and 86,644 is: 119,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,202.08 : 171,599.28 = 86,644 : x
  2. Step 2: Convert to fraction form
    124,202.08/171,599.28 = 86,644/x
  3. Step 3: Cross multiply
    124,202.08x = 171,599.28 × 86,644
  4. Step 4: Simplify right side
    124,202.08x = 14,868,048,016.32
  5. Step 5: Solve for x
    x = 14,868,048,016.32/124,202.08
  6. Step 6: Final answer
    x = 119,708.53

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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.