Home / 157,219.10-235,612.65-100,886.30

Finding the Fourth Proportional to 157,219.10, 235,612.65 and 100,886.30

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Solution

The fourth proportional to 157,219.10, 235,612.65 and 100,886.30 is: 151,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,219.10 : 235,612.65 = 100,886.30 : x
  2. Step 2: Convert to fraction form
    157,219.10/235,612.65 = 100,886.30/x
  3. Step 3: Cross multiply
    157,219.10x = 235,612.65 × 100,886.30
  4. Step 4: Simplify right side
    157,219.10x = 23,770,088,491.70
  5. Step 5: Solve for x
    x = 23,770,088,491.70/157,219.10
  6. Step 6: Final answer
    x = 151,190.84

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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.