Home / 113,271.60-169,799.40-42,175.20

Finding the Fourth Proportional to 113,271.60, 169,799.40 and 42,175.20

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Solution

The fourth proportional to 113,271.60, 169,799.40 and 42,175.20 is: 63,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,271.60 : 169,799.40 = 42,175.20 : x
  2. Step 2: Convert to fraction form
    113,271.60/169,799.40 = 42,175.20/x
  3. Step 3: Cross multiply
    113,271.60x = 169,799.40 × 42,175.20
  4. Step 4: Simplify right side
    113,271.60x = 7,161,323,654.88
  5. Step 5: Solve for x
    x = 7,161,323,654.88/113,271.60
  6. Step 6: Final answer
    x = 63,222.59

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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.