Home / 201,516.17-278,085.30-110,871.20

Finding the Fourth Proportional to 201,516.17, 278,085.30 and 110,871.20

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Solution

The fourth proportional to 201,516.17, 278,085.30 and 110,871.20 is: 152,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,516.17 : 278,085.30 = 110,871.20 : x
  2. Step 2: Convert to fraction form
    201,516.17/278,085.30 = 110,871.20/x
  3. Step 3: Cross multiply
    201,516.17x = 278,085.30 × 110,871.20
  4. Step 4: Simplify right side
    201,516.17x = 30,831,649,522.93
  5. Step 5: Solve for x
    x = 30,831,649,522.93/201,516.17
  6. Step 6: Final answer
    x = 152,998.39

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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.