Home / 316,382.40-473,983.02-211,275.18

Finding the Fourth Proportional to 316,382.40, 473,983.02 and 211,275.18

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Solution

The fourth proportional to 316,382.40, 473,983.02 and 211,275.18 is: 316,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,382.40 : 473,983.02 = 211,275.18 : x
  2. Step 2: Convert to fraction form
    316,382.40/473,983.02 = 211,275.18/x
  3. Step 3: Cross multiply
    316,382.40x = 473,983.02 × 211,275.18
  4. Step 4: Simplify right side
    316,382.40x = 100,140,847,867.44
  5. Step 5: Solve for x
    x = 100,140,847,867.44/316,382.40
  6. Step 6: Final answer
    x = 316,518.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.