Home / 144,381.24-216,235.44-140,395.32

Finding the Fourth Proportional to 144,381.24, 216,235.44 and 140,395.32

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Solution

The fourth proportional to 144,381.24, 216,235.44 and 140,395.32 is: 210,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,381.24 : 216,235.44 = 140,395.32 : x
  2. Step 2: Convert to fraction form
    144,381.24/216,235.44 = 140,395.32/x
  3. Step 3: Cross multiply
    144,381.24x = 216,235.44 × 140,395.32
  4. Step 4: Simplify right side
    144,381.24x = 30,358,443,794.14
  5. Step 5: Solve for x
    x = 30,358,443,794.14/144,381.24
  6. Step 6: Final answer
    x = 210,265.85

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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.