Home / 175,658.20-242,441.12-100,206.68

Finding the Fourth Proportional to 175,658.20, 242,441.12 and 100,206.68

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Solution

The fourth proportional to 175,658.20, 242,441.12 and 100,206.68 is: 138,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,658.20 : 242,441.12 = 100,206.68 : x
  2. Step 2: Convert to fraction form
    175,658.20/242,441.12 = 100,206.68/x
  3. Step 3: Cross multiply
    175,658.20x = 242,441.12 × 100,206.68
  4. Step 4: Simplify right side
    175,658.20x = 24,294,219,730.68
  5. Step 5: Solve for x
    x = 24,294,219,730.68/175,658.20
  6. Step 6: Final answer
    x = 138,303.93

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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.