Home / 165,931.90-248,703.45-124,330.30

Finding the Fourth Proportional to 165,931.90, 248,703.45 and 124,330.30

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Solution

The fourth proportional to 165,931.90, 248,703.45 and 124,330.30 is: 186,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,931.90 : 248,703.45 = 124,330.30 : x
  2. Step 2: Convert to fraction form
    165,931.90/248,703.45 = 124,330.30/x
  3. Step 3: Cross multiply
    165,931.90x = 248,703.45 × 124,330.30
  4. Step 4: Simplify right side
    165,931.90x = 30,921,374,549.54
  5. Step 5: Solve for x
    x = 30,921,374,549.54/165,931.90
  6. Step 6: Final answer
    x = 186,349.79

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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.