Home / 221,223.74-331,946.37-101,280.46

Finding the Fourth Proportional to 221,223.74, 331,946.37 and 101,280.46

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Solution

The fourth proportional to 221,223.74, 331,946.37 and 101,280.46 is: 151,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,223.74 : 331,946.37 = 101,280.46 : x
  2. Step 2: Convert to fraction form
    221,223.74/331,946.37 = 101,280.46/x
  3. Step 3: Cross multiply
    221,223.74x = 331,946.37 × 101,280.46
  4. Step 4: Simplify right side
    221,223.74x = 33,619,680,542.53
  5. Step 5: Solve for x
    x = 33,619,680,542.53/221,223.74
  6. Step 6: Final answer
    x = 151,971.40

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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.