Home / 215,247.72-297,034.40-118,442.52

Finding the Fourth Proportional to 215,247.72, 297,034.40 and 118,442.52

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Solution

The fourth proportional to 215,247.72, 297,034.40 and 118,442.52 is: 163,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,247.72 : 297,034.40 = 118,442.52 : x
  2. Step 2: Convert to fraction form
    215,247.72/297,034.40 = 118,442.52/x
  3. Step 3: Cross multiply
    215,247.72x = 297,034.40 × 118,442.52
  4. Step 4: Simplify right side
    215,247.72x = 35,181,503,271.57
  5. Step 5: Solve for x
    x = 35,181,503,271.57/215,247.72
  6. Step 6: Final answer
    x = 163,446.58

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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.