Home / 187,534.36-258,714.90-112,039

Finding the Fourth Proportional to 187,534.36, 258,714.90 and 112,039

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Solution

The fourth proportional to 187,534.36, 258,714.90 and 112,039 is: 154,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,534.36 : 258,714.90 = 112,039 : x
  2. Step 2: Convert to fraction form
    187,534.36/258,714.90 = 112,039/x
  3. Step 3: Cross multiply
    187,534.36x = 258,714.90 × 112,039
  4. Step 4: Simplify right side
    187,534.36x = 28,986,158,681.10
  5. Step 5: Solve for x
    x = 28,986,158,681.10/187,534.36
  6. Step 6: Final answer
    x = 154,564.52

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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.