Home / 90,848.30-136,272.45-90,265.10

Finding the Fourth Proportional to 90,848.30, 136,272.45 and 90,265.10

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Solution

The fourth proportional to 90,848.30, 136,272.45 and 90,265.10 is: 135,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,848.30 : 136,272.45 = 90,265.10 : x
  2. Step 2: Convert to fraction form
    90,848.30/136,272.45 = 90,265.10/x
  3. Step 3: Cross multiply
    90,848.30x = 136,272.45 × 90,265.10
  4. Step 4: Simplify right side
    90,848.30x = 12,300,646,326.50
  5. Step 5: Solve for x
    x = 12,300,646,326.50/90,848.30
  6. Step 6: Final answer
    x = 135,397.65

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