Home / 144,553.30-216,436.29-112,420.80

Finding the Fourth Proportional to 144,553.30, 216,436.29 and 112,420.80

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Solution

The fourth proportional to 144,553.30, 216,436.29 and 112,420.80 is: 168,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,553.30 : 216,436.29 = 112,420.80 : x
  2. Step 2: Convert to fraction form
    144,553.30/216,436.29 = 112,420.80/x
  3. Step 3: Cross multiply
    144,553.30x = 216,436.29 × 112,420.80
  4. Step 4: Simplify right side
    144,553.30x = 24,331,940,449.25
  5. Step 5: Solve for x
    x = 24,331,940,449.25/144,553.30
  6. Step 6: Final answer
    x = 168,325.05

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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.