Home / 173,897.40-260,846.10-85,105.20

Finding the Fourth Proportional to 173,897.40, 260,846.10 and 85,105.20

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Solution

The fourth proportional to 173,897.40, 260,846.10 and 85,105.20 is: 127,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,897.40 : 260,846.10 = 85,105.20 : x
  2. Step 2: Convert to fraction form
    173,897.40/260,846.10 = 85,105.20/x
  3. Step 3: Cross multiply
    173,897.40x = 260,846.10 × 85,105.20
  4. Step 4: Simplify right side
    173,897.40x = 22,199,359,509.72
  5. Step 5: Solve for x
    x = 22,199,359,509.72/173,897.40
  6. Step 6: Final answer
    x = 127,657.80

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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.