Home / 317,633.16-438,348.06-190,306.02

Finding the Fourth Proportional to 317,633.16, 438,348.06 and 190,306.02

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Solution

The fourth proportional to 317,633.16, 438,348.06 and 190,306.02 is: 262,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,633.16 : 438,348.06 = 190,306.02 : x
  2. Step 2: Convert to fraction form
    317,633.16/438,348.06 = 190,306.02/x
  3. Step 3: Cross multiply
    317,633.16x = 438,348.06 × 190,306.02
  4. Step 4: Simplify right side
    317,633.16x = 83,420,274,673.32
  5. Step 5: Solve for x
    x = 83,420,274,673.32/317,633.16
  6. Step 6: Final answer
    x = 262,630.87

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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.