Home / 260,580.24-390,937.74-152,600.80

Finding the Fourth Proportional to 260,580.24, 390,937.74 and 152,600.80

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Solution

The fourth proportional to 260,580.24, 390,937.74 and 152,600.80 is: 228,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,580.24 : 390,937.74 = 152,600.80 : x
  2. Step 2: Convert to fraction form
    260,580.24/390,937.74 = 152,600.80/x
  3. Step 3: Cross multiply
    260,580.24x = 390,937.74 × 152,600.80
  4. Step 4: Simplify right side
    260,580.24x = 59,657,409,919.50
  5. Step 5: Solve for x
    x = 59,657,409,919.50/260,580.24
  6. Step 6: Final answer
    x = 228,940.66

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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.