Home / 209,976.30-314,177.13-116,547.66

Finding the Fourth Proportional to 209,976.30, 314,177.13 and 116,547.66

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Solution

The fourth proportional to 209,976.30, 314,177.13 and 116,547.66 is: 174,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,976.30 : 314,177.13 = 116,547.66 : x
  2. Step 2: Convert to fraction form
    209,976.30/314,177.13 = 116,547.66/x
  3. Step 3: Cross multiply
    209,976.30x = 314,177.13 × 116,547.66
  4. Step 4: Simplify right side
    209,976.30x = 36,616,609,327.02
  5. Step 5: Solve for x
    x = 36,616,609,327.02/209,976.30
  6. Step 6: Final answer
    x = 174,384.49

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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.