Home / 407,146.10-610,427.55-170,366.90

Finding the Fourth Proportional to 407,146.10, 610,427.55 and 170,366.90

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Solution

The fourth proportional to 407,146.10, 610,427.55 and 170,366.90 is: 255,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,146.10 : 610,427.55 = 170,366.90 : x
  2. Step 2: Convert to fraction form
    407,146.10/610,427.55 = 170,366.90/x
  3. Step 3: Cross multiply
    407,146.10x = 610,427.55 × 170,366.90
  4. Step 4: Simplify right side
    407,146.10x = 103,996,649,368.10
  5. Step 5: Solve for x
    x = 103,996,649,368.10/407,146.10
  6. Step 6: Final answer
    x = 255,428.33

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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.