Home / 234,987.20-324,282.74-127,557.30

Finding the Fourth Proportional to 234,987.20, 324,282.74 and 127,557.30

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Solution

The fourth proportional to 234,987.20, 324,282.74 and 127,557.30 is: 176,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,987.20 : 324,282.74 = 127,557.30 : x
  2. Step 2: Convert to fraction form
    234,987.20/324,282.74 = 127,557.30/x
  3. Step 3: Cross multiply
    234,987.20x = 324,282.74 × 127,557.30
  4. Step 4: Simplify right side
    234,987.20x = 41,364,630,113.22
  5. Step 5: Solve for x
    x = 41,364,630,113.22/234,987.20
  6. Step 6: Final answer
    x = 176,029.29

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1.5x scale

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.