Home / 153,442.89-230,262.63-74,514.06

Finding the Fourth Proportional to 153,442.89, 230,262.63 and 74,514.06

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Solution

The fourth proportional to 153,442.89, 230,262.63 and 74,514.06 is: 111,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,442.89 : 230,262.63 = 74,514.06 : x
  2. Step 2: Convert to fraction form
    153,442.89/230,262.63 = 74,514.06/x
  3. Step 3: Cross multiply
    153,442.89x = 230,262.63 × 74,514.06
  4. Step 4: Simplify right side
    153,442.89x = 17,157,803,427.58
  5. Step 5: Solve for x
    x = 17,157,803,427.58/153,442.89
  6. Step 6: Final answer
    x = 111,818.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.