Home / 144,173.24-216,306.12-69,298.80

Finding the Fourth Proportional to 144,173.24, 216,306.12 and 69,298.80

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Solution

The fourth proportional to 144,173.24, 216,306.12 and 69,298.80 is: 103,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,173.24 : 216,306.12 = 69,298.80 : x
  2. Step 2: Convert to fraction form
    144,173.24/216,306.12 = 69,298.80/x
  3. Step 3: Cross multiply
    144,173.24x = 216,306.12 × 69,298.80
  4. Step 4: Simplify right side
    144,173.24x = 14,989,754,548.66
  5. Step 5: Solve for x
    x = 14,989,754,548.66/144,173.24
  6. Step 6: Final answer
    x = 103,970.44

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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.