Home / 187,316.66-280,828.92-127,186.58

Finding the Fourth Proportional to 187,316.66, 280,828.92 and 127,186.58

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Solution

The fourth proportional to 187,316.66, 280,828.92 and 127,186.58 is: 190,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,316.66 : 280,828.92 = 127,186.58 : x
  2. Step 2: Convert to fraction form
    187,316.66/280,828.92 = 127,186.58/x
  3. Step 3: Cross multiply
    187,316.66x = 280,828.92 × 127,186.58
  4. Step 4: Simplify right side
    187,316.66x = 35,717,669,899.89
  5. Step 5: Solve for x
    x = 35,717,669,899.89/187,316.66
  6. Step 6: Final answer
    x = 190,680.69

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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.