Home / 170,125.48-255,177.90-75,328.04

Finding the Fourth Proportional to 170,125.48, 255,177.90 and 75,328.04

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Solution

The fourth proportional to 170,125.48, 255,177.90 and 75,328.04 is: 112,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,125.48 : 255,177.90 = 75,328.04 : x
  2. Step 2: Convert to fraction form
    170,125.48/255,177.90 = 75,328.04/x
  3. Step 3: Cross multiply
    170,125.48x = 255,177.90 × 75,328.04
  4. Step 4: Simplify right side
    170,125.48x = 19,222,051,058.32
  5. Step 5: Solve for x
    x = 19,222,051,058.32/170,125.48
  6. Step 6: Final answer
    x = 112,987.49

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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.