Home / 156,756.62-216,199.05-103,096.76

Finding the Fourth Proportional to 156,756.62, 216,199.05 and 103,096.76

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Solution

The fourth proportional to 156,756.62, 216,199.05 and 103,096.76 is: 142,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,756.62 : 216,199.05 = 103,096.76 : x
  2. Step 2: Convert to fraction form
    156,756.62/216,199.05 = 103,096.76/x
  3. Step 3: Cross multiply
    156,756.62x = 216,199.05 × 103,096.76
  4. Step 4: Simplify right side
    156,756.62x = 22,289,421,570.08
  5. Step 5: Solve for x
    x = 22,289,421,570.08/156,756.62
  6. Step 6: Final answer
    x = 142,191.26

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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.