Home / 288,473.07-432,707.67-117,694.11

Finding the Fourth Proportional to 288,473.07, 432,707.67 and 117,694.11

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Solution

The fourth proportional to 288,473.07, 432,707.67 and 117,694.11 is: 176,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,473.07 : 432,707.67 = 117,694.11 : x
  2. Step 2: Convert to fraction form
    288,473.07/432,707.67 = 117,694.11/x
  3. Step 3: Cross multiply
    288,473.07x = 432,707.67 × 117,694.11
  4. Step 4: Simplify right side
    288,473.07x = 50,927,144,110.82
  5. Step 5: Solve for x
    x = 50,927,144,110.82/288,473.07
  6. Step 6: Final answer
    x = 176,540.38

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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.