Home / 316,867.34-475,301.36-80,210.02

Finding the Fourth Proportional to 316,867.34, 475,301.36 and 80,210.02

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Solution

The fourth proportional to 316,867.34, 475,301.36 and 80,210.02 is: 120,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,867.34 : 475,301.36 = 80,210.02 : x
  2. Step 2: Convert to fraction form
    316,867.34/475,301.36 = 80,210.02/x
  3. Step 3: Cross multiply
    316,867.34x = 475,301.36 × 80,210.02
  4. Step 4: Simplify right side
    316,867.34x = 38,123,932,386.28
  5. Step 5: Solve for x
    x = 38,123,932,386.28/316,867.34
  6. Step 6: Final answer
    x = 120,315.12

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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.