Home / 179,214.60-247,314.20-98,640.39

Finding the Fourth Proportional to 179,214.60, 247,314.20 and 98,640.39

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Solution

The fourth proportional to 179,214.60, 247,314.20 and 98,640.39 is: 136,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,214.60 : 247,314.20 = 98,640.39 : x
  2. Step 2: Convert to fraction form
    179,214.60/247,314.20 = 98,640.39/x
  3. Step 3: Cross multiply
    179,214.60x = 247,314.20 × 98,640.39
  4. Step 4: Simplify right side
    179,214.60x = 24,395,169,574.76
  5. Step 5: Solve for x
    x = 24,395,169,574.76/179,214.60
  6. Step 6: Final answer
    x = 136,122.67

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1.5x scale

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.