Home / 260,121.81-359,006.21-152,750.61

Finding the Fourth Proportional to 260,121.81, 359,006.21 and 152,750.61

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Solution

The fourth proportional to 260,121.81, 359,006.21 and 152,750.61 is: 210,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,121.81 : 359,006.21 = 152,750.61 : x
  2. Step 2: Convert to fraction form
    260,121.81/359,006.21 = 152,750.61/x
  3. Step 3: Cross multiply
    260,121.81x = 359,006.21 × 152,750.61
  4. Step 4: Simplify right side
    260,121.81x = 54,838,416,807.54
  5. Step 5: Solve for x
    x = 54,838,416,807.54/260,121.81
  6. Step 6: Final answer
    x = 210,818.22

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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.