Home / 110,869.36-152,819.97-86,627.93

Finding the Fourth Proportional to 110,869.36, 152,819.97 and 86,627.93

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Solution

The fourth proportional to 110,869.36, 152,819.97 and 86,627.93 is: 119,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,869.36 : 152,819.97 = 86,627.93 : x
  2. Step 2: Convert to fraction form
    110,869.36/152,819.97 = 86,627.93/x
  3. Step 3: Cross multiply
    110,869.36x = 152,819.97 × 86,627.93
  4. Step 4: Simplify right side
    110,869.36x = 13,238,477,434.42
  5. Step 5: Solve for x
    x = 13,238,477,434.42/110,869.36
  6. Step 6: Final answer
    x = 119,406.10

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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.