Home / 153,511.31-230,275.17-48,338.48

Finding the Fourth Proportional to 153,511.31, 230,275.17 and 48,338.48

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Solution

The fourth proportional to 153,511.31, 230,275.17 and 48,338.48 is: 72,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,511.31 : 230,275.17 = 48,338.48 : x
  2. Step 2: Convert to fraction form
    153,511.31/230,275.17 = 48,338.48/x
  3. Step 3: Cross multiply
    153,511.31x = 230,275.17 × 48,338.48
  4. Step 4: Simplify right side
    153,511.31x = 11,131,152,275.23
  5. Step 5: Solve for x
    x = 11,131,152,275.23/153,511.31
  6. Step 6: Final answer
    x = 72,510.31

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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.