Home / 113,022.08-169,565.21-92,159.45

Finding the Fourth Proportional to 113,022.08, 169,565.21 and 92,159.45

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Solution

The fourth proportional to 113,022.08, 169,565.21 and 92,159.45 is: 138,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,022.08 : 169,565.21 = 92,159.45 : x
  2. Step 2: Convert to fraction form
    113,022.08/169,565.21 = 92,159.45/x
  3. Step 3: Cross multiply
    113,022.08x = 169,565.21 × 92,159.45
  4. Step 4: Simplify right side
    113,022.08x = 15,627,036,031.94
  5. Step 5: Solve for x
    x = 15,627,036,031.94/113,022.08
  6. Step 6: Final answer
    x = 138,265.34

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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.