Home / 173,731.40-260,090-106,971.20

Finding the Fourth Proportional to 173,731.40, 260,090 and 106,971.20

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Solution

The fourth proportional to 173,731.40, 260,090 and 106,971.20 is: 160,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,731.40 : 260,090 = 106,971.20 : x
  2. Step 2: Convert to fraction form
    173,731.40/260,090 = 106,971.20/x
  3. Step 3: Cross multiply
    173,731.40x = 260,090 × 106,971.20
  4. Step 4: Simplify right side
    173,731.40x = 27,822,139,408
  5. Step 5: Solve for x
    x = 27,822,139,408/173,731.40
  6. Step 6: Final answer
    x = 160,144.56

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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.