Home / 176,268.09-243,288.32-108,320.70

Finding the Fourth Proportional to 176,268.09, 243,288.32 and 108,320.70

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Solution

The fourth proportional to 176,268.09, 243,288.32 and 108,320.70 is: 149,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,268.09 : 243,288.32 = 108,320.70 : x
  2. Step 2: Convert to fraction form
    176,268.09/243,288.32 = 108,320.70/x
  3. Step 3: Cross multiply
    176,268.09x = 243,288.32 × 108,320.70
  4. Step 4: Simplify right side
    176,268.09x = 26,353,160,582.62
  5. Step 5: Solve for x
    x = 26,353,160,582.62/176,268.09
  6. Step 6: Final answer
    x = 149,506.13

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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.