Home / 165,211.60-247,817.40-156,682.30

Finding the Fourth Proportional to 165,211.60, 247,817.40 and 156,682.30

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Solution

The fourth proportional to 165,211.60, 247,817.40 and 156,682.30 is: 235,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,211.60 : 247,817.40 = 156,682.30 : x
  2. Step 2: Convert to fraction form
    165,211.60/247,817.40 = 156,682.30/x
  3. Step 3: Cross multiply
    165,211.60x = 247,817.40 × 156,682.30
  4. Step 4: Simplify right side
    165,211.60x = 38,828,600,212.02
  5. Step 5: Solve for x
    x = 38,828,600,212.02/165,211.60
  6. Step 6: Final answer
    x = 235,023.45

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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.