Home / 177,206.10-265,809.15-121,218.90

Finding the Fourth Proportional to 177,206.10, 265,809.15 and 121,218.90

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Solution

The fourth proportional to 177,206.10, 265,809.15 and 121,218.90 is: 181,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,206.10 : 265,809.15 = 121,218.90 : x
  2. Step 2: Convert to fraction form
    177,206.10/265,809.15 = 121,218.90/x
  3. Step 3: Cross multiply
    177,206.10x = 265,809.15 × 121,218.90
  4. Step 4: Simplify right side
    177,206.10x = 32,221,092,772.94
  5. Step 5: Solve for x
    x = 32,221,092,772.94/177,206.10
  6. Step 6: Final answer
    x = 181,828.35

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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.