Home / 204,030.10-306,045.15-144,543.70

Finding the Fourth Proportional to 204,030.10, 306,045.15 and 144,543.70

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Solution

The fourth proportional to 204,030.10, 306,045.15 and 144,543.70 is: 216,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,030.10 : 306,045.15 = 144,543.70 : x
  2. Step 2: Convert to fraction form
    204,030.10/306,045.15 = 144,543.70/x
  3. Step 3: Cross multiply
    204,030.10x = 306,045.15 × 144,543.70
  4. Step 4: Simplify right side
    204,030.10x = 44,236,898,348.06
  5. Step 5: Solve for x
    x = 44,236,898,348.06/204,030.10
  6. Step 6: Final answer
    x = 216,815.55

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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.