Home / 157,206.32-216,575.88-109,377.44

Finding the Fourth Proportional to 157,206.32, 216,575.88 and 109,377.44

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Solution

The fourth proportional to 157,206.32, 216,575.88 and 109,377.44 is: 150,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,206.32 : 216,575.88 = 109,377.44 : x
  2. Step 2: Convert to fraction form
    157,206.32/216,575.88 = 109,377.44/x
  3. Step 3: Cross multiply
    157,206.32x = 216,575.88 × 109,377.44
  4. Step 4: Simplify right side
    157,206.32x = 23,688,515,320.15
  5. Step 5: Solve for x
    x = 23,688,515,320.15/157,206.32
  6. Step 6: Final answer
    x = 150,684.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.