Home / 288,602.10-432,973.21-88,922.48

Finding the Fourth Proportional to 288,602.10, 432,973.21 and 88,922.48

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Solution

The fourth proportional to 288,602.10, 432,973.21 and 88,922.48 is: 133,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,602.10 : 432,973.21 = 88,922.48 : x
  2. Step 2: Convert to fraction form
    288,602.10/432,973.21 = 88,922.48/x
  3. Step 3: Cross multiply
    288,602.10x = 432,973.21 × 88,922.48
  4. Step 4: Simplify right side
    288,602.10x = 38,501,053,022.65
  5. Step 5: Solve for x
    x = 38,501,053,022.65/288,602.10
  6. Step 6: Final answer
    x = 133,405.31

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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.