Home / 131,000.69-180,597.90-110,776.41

Finding the Fourth Proportional to 131,000.69, 180,597.90 and 110,776.41

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Solution

The fourth proportional to 131,000.69, 180,597.90 and 110,776.41 is: 152,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,000.69 : 180,597.90 = 110,776.41 : x
  2. Step 2: Convert to fraction form
    131,000.69/180,597.90 = 110,776.41/x
  3. Step 3: Cross multiply
    131,000.69x = 180,597.90 × 110,776.41
  4. Step 4: Simplify right side
    131,000.69x = 20,005,987,430.95
  5. Step 5: Solve for x
    x = 20,005,987,430.95/131,000.69
  6. Step 6: Final answer
    x = 152,716.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.