Home / 313,178.40-432,184.01-169,934.76

Finding the Fourth Proportional to 313,178.40, 432,184.01 and 169,934.76

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Solution

The fourth proportional to 313,178.40, 432,184.01 and 169,934.76 is: 234,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,178.40 : 432,184.01 = 169,934.76 : x
  2. Step 2: Convert to fraction form
    313,178.40/432,184.01 = 169,934.76/x
  3. Step 3: Cross multiply
    313,178.40x = 432,184.01 × 169,934.76
  4. Step 4: Simplify right side
    313,178.40x = 73,443,085,165.51
  5. Step 5: Solve for x
    x = 73,443,085,165.51/313,178.40
  6. Step 6: Final answer
    x = 234,508.78

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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.