Home / 674,765.40-1,012,148.10-176,129.40

Finding the Fourth Proportional to 674,765.40, 1,012,148.10 and 176,129.40

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Solution

The fourth proportional to 674,765.40, 1,012,148.10 and 176,129.40 is: 264,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,765.40 : 1,012,148.10 = 176,129.40 : x
  2. Step 2: Convert to fraction form
    674,765.40/1,012,148.10 = 176,129.40/x
  3. Step 3: Cross multiply
    674,765.40x = 1,012,148.10 × 176,129.40
  4. Step 4: Simplify right side
    674,765.40x = 178,269,037,564.14
  5. Step 5: Solve for x
    x = 178,269,037,564.14/674,765.40
  6. Step 6: Final answer
    x = 264,194.10

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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.