Home / 215,502.48-297,400.20-118,713.36

Finding the Fourth Proportional to 215,502.48, 297,400.20 and 118,713.36

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Solution

The fourth proportional to 215,502.48, 297,400.20 and 118,713.36 is: 163,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,502.48 : 297,400.20 = 118,713.36 : x
  2. Step 2: Convert to fraction form
    215,502.48/297,400.20 = 118,713.36/x
  3. Step 3: Cross multiply
    215,502.48x = 297,400.20 × 118,713.36
  4. Step 4: Simplify right side
    215,502.48x = 35,305,377,006.67
  5. Step 5: Solve for x
    x = 35,305,377,006.67/215,502.48
  6. Step 6: Final answer
    x = 163,828.17

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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.