Home / 106,130.66-146,460.29-63,689.22

Finding the Fourth Proportional to 106,130.66, 146,460.29 and 63,689.22

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Solution

The fourth proportional to 106,130.66, 146,460.29 and 63,689.22 is: 87,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,130.66 : 146,460.29 = 63,689.22 : x
  2. Step 2: Convert to fraction form
    106,130.66/146,460.29 = 63,689.22/x
  3. Step 3: Cross multiply
    106,130.66x = 146,460.29 × 63,689.22
  4. Step 4: Simplify right side
    106,130.66x = 9,327,941,312.63
  5. Step 5: Solve for x
    x = 9,327,941,312.63/106,130.66
  6. Step 6: Final answer
    x = 87,891.11

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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.