Home / 177,795.90-245,148.66-143,698.95

Finding the Fourth Proportional to 177,795.90, 245,148.66 and 143,698.95

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Solution

The fourth proportional to 177,795.90, 245,148.66 and 143,698.95 is: 198,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,795.90 : 245,148.66 = 143,698.95 : x
  2. Step 2: Convert to fraction form
    177,795.90/245,148.66 = 143,698.95/x
  3. Step 3: Cross multiply
    177,795.90x = 245,148.66 × 143,698.95
  4. Step 4: Simplify right side
    177,795.90x = 35,227,605,035.91
  5. Step 5: Solve for x
    x = 35,227,605,035.91/177,795.90
  6. Step 6: Final answer
    x = 198,135.08

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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.