Home / 165,212.60-247,818.90-156,683.30

Finding the Fourth Proportional to 165,212.60, 247,818.90 and 156,683.30

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Solution

The fourth proportional to 165,212.60, 247,818.90 and 156,683.30 is: 235,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,212.60 : 247,818.90 = 156,683.30 : x
  2. Step 2: Convert to fraction form
    165,212.60/247,818.90 = 156,683.30/x
  3. Step 3: Cross multiply
    165,212.60x = 247,818.90 × 156,683.30
  4. Step 4: Simplify right side
    165,212.60x = 38,829,083,054.37
  5. Step 5: Solve for x
    x = 38,829,083,054.37/165,212.60
  6. Step 6: Final answer
    x = 235,024.95

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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.