Home / 542,427.49-813,548.29-143,072.18

Finding the Fourth Proportional to 542,427.49, 813,548.29 and 143,072.18

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Solution

The fourth proportional to 542,427.49, 813,548.29 and 143,072.18 is: 214,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,427.49 : 813,548.29 = 143,072.18 : x
  2. Step 2: Convert to fraction form
    542,427.49/813,548.29 = 143,072.18/x
  3. Step 3: Cross multiply
    542,427.49x = 813,548.29 × 143,072.18
  4. Step 4: Simplify right side
    542,427.49x = 116,396,127,385.57
  5. Step 5: Solve for x
    x = 116,396,127,385.57/542,427.49
  6. Step 6: Final answer
    x = 214,583.75

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1.5x scale

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.