Home / 220,751.02-304,642.92-156,335.50

Finding the Fourth Proportional to 220,751.02, 304,642.92 and 156,335.50

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Solution

The fourth proportional to 220,751.02, 304,642.92 and 156,335.50 is: 215,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,751.02 : 304,642.92 = 156,335.50 : x
  2. Step 2: Convert to fraction form
    220,751.02/304,642.92 = 156,335.50/x
  3. Step 3: Cross multiply
    220,751.02x = 304,642.92 × 156,335.50
  4. Step 4: Simplify right side
    220,751.02x = 47,626,503,219.66
  5. Step 5: Solve for x
    x = 47,626,503,219.66/220,751.02
  6. Step 6: Final answer
    x = 215,747.60

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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.