Home / 258,159.12-356,159.76-190,337.02

Finding the Fourth Proportional to 258,159.12, 356,159.76 and 190,337.02

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Solution

The fourth proportional to 258,159.12, 356,159.76 and 190,337.02 is: 262,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,159.12 : 356,159.76 = 190,337.02 : x
  2. Step 2: Convert to fraction form
    258,159.12/356,159.76 = 190,337.02/x
  3. Step 3: Cross multiply
    258,159.12x = 356,159.76 × 190,337.02
  4. Step 4: Simplify right side
    258,159.12x = 67,790,387,362.32
  5. Step 5: Solve for x
    x = 67,790,387,362.32/258,159.12
  6. Step 6: Final answer
    x = 262,591.49

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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.