Home / 112,378.03-168,591.66-42,257.34

Finding the Fourth Proportional to 112,378.03, 168,591.66 and 42,257.34

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Solution

The fourth proportional to 112,378.03, 168,591.66 and 42,257.34 is: 63,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,378.03 : 168,591.66 = 42,257.34 : x
  2. Step 2: Convert to fraction form
    112,378.03/168,591.66 = 42,257.34/x
  3. Step 3: Cross multiply
    112,378.03x = 168,591.66 × 42,257.34
  4. Step 4: Simplify right side
    112,378.03x = 7,124,234,886.50
  5. Step 5: Solve for x
    x = 7,124,234,886.50/112,378.03
  6. Step 6: Final answer
    x = 63,395.27

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1.5x scale

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.