Home / 156,950.93-216,666.68-100,395.11

Finding the Fourth Proportional to 156,950.93, 216,666.68 and 100,395.11

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Solution

The fourth proportional to 156,950.93, 216,666.68 and 100,395.11 is: 138,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.93 : 216,666.68 = 100,395.11 : x
  2. Step 2: Convert to fraction form
    156,950.93/216,666.68 = 100,395.11/x
  3. Step 3: Cross multiply
    156,950.93x = 216,666.68 × 100,395.11
  4. Step 4: Simplify right side
    156,950.93x = 21,752,275,171.93
  5. Step 5: Solve for x
    x = 21,752,275,171.93/156,950.93
  6. Step 6: Final answer
    x = 138,592.84

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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.