Home / 153,751.20-212,095.98-125,102.85

Finding the Fourth Proportional to 153,751.20, 212,095.98 and 125,102.85

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Solution

The fourth proportional to 153,751.20, 212,095.98 and 125,102.85 is: 172,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,751.20 : 212,095.98 = 125,102.85 : x
  2. Step 2: Convert to fraction form
    153,751.20/212,095.98 = 125,102.85/x
  3. Step 3: Cross multiply
    153,751.20x = 212,095.98 × 125,102.85
  4. Step 4: Simplify right side
    153,751.20x = 26,533,811,571.54
  5. Step 5: Solve for x
    x = 26,533,811,571.54/153,751.20
  6. Step 6: Final answer
    x = 172,576.29

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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.