Home / 176,357.04-243,367.92-100,900.68

Finding the Fourth Proportional to 176,357.04, 243,367.92 and 100,900.68

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Solution

The fourth proportional to 176,357.04, 243,367.92 and 100,900.68 is: 139,240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,357.04 : 243,367.92 = 100,900.68 : x
  2. Step 2: Convert to fraction form
    176,357.04/243,367.92 = 100,900.68/x
  3. Step 3: Cross multiply
    176,357.04x = 243,367.92 × 100,900.68
  4. Step 4: Simplify right side
    176,357.04x = 24,555,988,618.19
  5. Step 5: Solve for x
    x = 24,555,988,618.19/176,357.04
  6. Step 6: Final answer
    x = 139,240.19

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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.