Home / 180,727.17-249,404.94-100,156.02

Finding the Fourth Proportional to 180,727.17, 249,404.94 and 100,156.02

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Solution

The fourth proportional to 180,727.17, 249,404.94 and 100,156.02 is: 138,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,727.17 : 249,404.94 = 100,156.02 : x
  2. Step 2: Convert to fraction form
    180,727.17/249,404.94 = 100,156.02/x
  3. Step 3: Cross multiply
    180,727.17x = 249,404.94 × 100,156.02
  4. Step 4: Simplify right side
    180,727.17x = 24,979,406,158.74
  5. Step 5: Solve for x
    x = 24,979,406,158.74/180,727.17
  6. Step 6: Final answer
    x = 138,216.11

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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.