Home / 134,457.10-185,549.25-74,026.47

Finding the Fourth Proportional to 134,457.10, 185,549.25 and 74,026.47

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Solution

The fourth proportional to 134,457.10, 185,549.25 and 74,026.47 is: 102,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,457.10 : 185,549.25 = 74,026.47 : x
  2. Step 2: Convert to fraction form
    134,457.10/185,549.25 = 74,026.47/x
  3. Step 3: Cross multiply
    134,457.10x = 185,549.25 × 74,026.47
  4. Step 4: Simplify right side
    134,457.10x = 13,735,555,988.65
  5. Step 5: Solve for x
    x = 13,735,555,988.65/134,457.10
  6. Step 6: Final answer
    x = 102,155.68

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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.