Home / 153,960.48-212,481-93,537.18

Finding the Fourth Proportional to 153,960.48, 212,481 and 93,537.18

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Solution

The fourth proportional to 153,960.48, 212,481 and 93,537.18 is: 129,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,960.48 : 212,481 = 93,537.18 : x
  2. Step 2: Convert to fraction form
    153,960.48/212,481 = 93,537.18/x
  3. Step 3: Cross multiply
    153,960.48x = 212,481 × 93,537.18
  4. Step 4: Simplify right side
    153,960.48x = 19,874,873,543.58
  5. Step 5: Solve for x
    x = 19,874,873,543.58/153,960.48
  6. Step 6: Final answer
    x = 129,090.75

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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.