Home / 112,556.10-168,834.15-70,565.70

Finding the Fourth Proportional to 112,556.10, 168,834.15 and 70,565.70

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Solution

The fourth proportional to 112,556.10, 168,834.15 and 70,565.70 is: 105,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,556.10 : 168,834.15 = 70,565.70 : x
  2. Step 2: Convert to fraction form
    112,556.10/168,834.15 = 70,565.70/x
  3. Step 3: Cross multiply
    112,556.10x = 168,834.15 × 70,565.70
  4. Step 4: Simplify right side
    112,556.10x = 11,913,899,978.66
  5. Step 5: Solve for x
    x = 11,913,899,978.66/112,556.10
  6. Step 6: Final answer
    x = 105,848.55

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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.