Home / 158,717.61-219,029.64-87,098.82

Finding the Fourth Proportional to 158,717.61, 219,029.64 and 87,098.82

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Solution

The fourth proportional to 158,717.61, 219,029.64 and 87,098.82 is: 120,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,717.61 : 219,029.64 = 87,098.82 : x
  2. Step 2: Convert to fraction form
    158,717.61/219,029.64 = 87,098.82/x
  3. Step 3: Cross multiply
    158,717.61x = 219,029.64 × 87,098.82
  4. Step 4: Simplify right side
    158,717.61x = 19,077,223,189.02
  5. Step 5: Solve for x
    x = 19,077,223,189.02/158,717.61
  6. Step 6: Final answer
    x = 120,196.01

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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.