Home / 117,912.48-162,722.14-64,200.40

Finding the Fourth Proportional to 117,912.48, 162,722.14 and 64,200.40

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Solution

The fourth proportional to 117,912.48, 162,722.14 and 64,200.40 is: 88,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,912.48 : 162,722.14 = 64,200.40 : x
  2. Step 2: Convert to fraction form
    117,912.48/162,722.14 = 64,200.40/x
  3. Step 3: Cross multiply
    117,912.48x = 162,722.14 × 64,200.40
  4. Step 4: Simplify right side
    117,912.48x = 10,446,826,476.86
  5. Step 5: Solve for x
    x = 10,446,826,476.86/117,912.48
  6. Step 6: Final answer
    x = 88,598.14

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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.