Home / 311,964.06-430,510.50-176,026.83

Finding the Fourth Proportional to 311,964.06, 430,510.50 and 176,026.83

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Solution

The fourth proportional to 311,964.06, 430,510.50 and 176,026.83 is: 242,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,964.06 : 430,510.50 = 176,026.83 : x
  2. Step 2: Convert to fraction form
    311,964.06/430,510.50 = 176,026.83/x
  3. Step 3: Cross multiply
    311,964.06x = 430,510.50 × 176,026.83
  4. Step 4: Simplify right side
    311,964.06x = 75,781,398,596.72
  5. Step 5: Solve for x
    x = 75,781,398,596.72/311,964.06
  6. Step 6: Final answer
    x = 242,917.08

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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.