Home / 174,489.10-261,733.65-156,774.40

Finding the Fourth Proportional to 174,489.10, 261,733.65 and 156,774.40

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Solution

The fourth proportional to 174,489.10, 261,733.65 and 156,774.40 is: 235,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,489.10 : 261,733.65 = 156,774.40 : x
  2. Step 2: Convert to fraction form
    174,489.10/261,733.65 = 156,774.40/x
  3. Step 3: Cross multiply
    174,489.10x = 261,733.65 × 156,774.40
  4. Step 4: Simplify right side
    174,489.10x = 41,033,135,938.56
  5. Step 5: Solve for x
    x = 41,033,135,938.56/174,489.10
  6. Step 6: Final answer
    x = 235,161.60

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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.