Home / 173,912.20-261,185.10-152,139.40

Finding the Fourth Proportional to 173,912.20, 261,185.10 and 152,139.40

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Solution

The fourth proportional to 173,912.20, 261,185.10 and 152,139.40 is: 228,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,912.20 : 261,185.10 = 152,139.40 : x
  2. Step 2: Convert to fraction form
    173,912.20/261,185.10 = 152,139.40/x
  3. Step 3: Cross multiply
    173,912.20x = 261,185.10 × 152,139.40
  4. Step 4: Simplify right side
    173,912.20x = 39,736,544,402.94
  5. Step 5: Solve for x
    x = 39,736,544,402.94/173,912.20
  6. Step 6: Final answer
    x = 228,486.24

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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.