Home / 435,718.20-653,447.70-169,325.40

Finding the Fourth Proportional to 435,718.20, 653,447.70 and 169,325.40

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Solution

The fourth proportional to 435,718.20, 653,447.70 and 169,325.40 is: 253,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,718.20 : 653,447.70 = 169,325.40 : x
  2. Step 2: Convert to fraction form
    435,718.20/653,447.70 = 169,325.40/x
  3. Step 3: Cross multiply
    435,718.20x = 653,447.70 × 169,325.40
  4. Step 4: Simplify right side
    435,718.20x = 110,645,293,181.58
  5. Step 5: Solve for x
    x = 110,645,293,181.58/435,718.20
  6. Step 6: Final answer
    x = 253,937.74

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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.