Home / 108,632.04-149,755.14-76,268.22

Finding the Fourth Proportional to 108,632.04, 149,755.14 and 76,268.22

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Solution

The fourth proportional to 108,632.04, 149,755.14 and 76,268.22 is: 105,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,632.04 : 149,755.14 = 76,268.22 : x
  2. Step 2: Convert to fraction form
    108,632.04/149,755.14 = 76,268.22/x
  3. Step 3: Cross multiply
    108,632.04x = 149,755.14 × 76,268.22
  4. Step 4: Simplify right side
    108,632.04x = 11,421,557,963.65
  5. Step 5: Solve for x
    x = 11,421,557,963.65/108,632.04
  6. Step 6: Final answer
    x = 105,139.86

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1.5x scale

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.