Home / 174,217.12-261,213.36-74,442.40

Finding the Fourth Proportional to 174,217.12, 261,213.36 and 74,442.40

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Solution

The fourth proportional to 174,217.12, 261,213.36 and 74,442.40 is: 111,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,217.12 : 261,213.36 = 74,442.40 : x
  2. Step 2: Convert to fraction form
    174,217.12/261,213.36 = 74,442.40/x
  3. Step 3: Cross multiply
    174,217.12x = 261,213.36 × 74,442.40
  4. Step 4: Simplify right side
    174,217.12x = 19,445,349,430.46
  5. Step 5: Solve for x
    x = 19,445,349,430.46/174,217.12
  6. Step 6: Final answer
    x = 111,615.61

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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.