Home / 173,152.04-259,763.34-78,336.68

Finding the Fourth Proportional to 173,152.04, 259,763.34 and 78,336.68

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Solution

The fourth proportional to 173,152.04, 259,763.34 and 78,336.68 is: 117,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,152.04 : 259,763.34 = 78,336.68 : x
  2. Step 2: Convert to fraction form
    173,152.04/259,763.34 = 78,336.68/x
  3. Step 3: Cross multiply
    173,152.04x = 259,763.34 × 78,336.68
  4. Step 4: Simplify right side
    173,152.04x = 20,348,997,641.31
  5. Step 5: Solve for x
    x = 20,348,997,641.31/173,152.04
  6. Step 6: Final answer
    x = 117,520.98

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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.