Home / 244,619.40-366,929.10-78,424.20

Finding the Fourth Proportional to 244,619.40, 366,929.10 and 78,424.20

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Solution

The fourth proportional to 244,619.40, 366,929.10 and 78,424.20 is: 117,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,619.40 : 366,929.10 = 78,424.20 : x
  2. Step 2: Convert to fraction form
    244,619.40/366,929.10 = 78,424.20/x
  3. Step 3: Cross multiply
    244,619.40x = 366,929.10 × 78,424.20
  4. Step 4: Simplify right side
    244,619.40x = 28,776,121,124.22
  5. Step 5: Solve for x
    x = 28,776,121,124.22/244,619.40
  6. Step 6: Final answer
    x = 117,636.30

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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.