Home / 153,625.44-212,001.84-85,641.60

Finding the Fourth Proportional to 153,625.44, 212,001.84 and 85,641.60

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Solution

The fourth proportional to 153,625.44, 212,001.84 and 85,641.60 is: 118,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,625.44 : 212,001.84 = 85,641.60 : x
  2. Step 2: Convert to fraction form
    153,625.44/212,001.84 = 85,641.60/x
  3. Step 3: Cross multiply
    153,625.44x = 212,001.84 × 85,641.60
  4. Step 4: Simplify right side
    153,625.44x = 18,156,176,780.54
  5. Step 5: Solve for x
    x = 18,156,176,780.54/153,625.44
  6. Step 6: Final answer
    x = 118,184.70

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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.