Home / 165,923.70-248,885.55-156,938.10

Finding the Fourth Proportional to 165,923.70, 248,885.55 and 156,938.10

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Solution

The fourth proportional to 165,923.70, 248,885.55 and 156,938.10 is: 235,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,923.70 : 248,885.55 = 156,938.10 : x
  2. Step 2: Convert to fraction form
    165,923.70/248,885.55 = 156,938.10/x
  3. Step 3: Cross multiply
    165,923.70x = 248,885.55 × 156,938.10
  4. Step 4: Simplify right side
    165,923.70x = 39,059,625,334.46
  5. Step 5: Solve for x
    x = 39,059,625,334.46/165,923.70
  6. Step 6: Final answer
    x = 235,407.15

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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.