Home / 117,622.28-162,316.78-63,908.12

Finding the Fourth Proportional to 117,622.28, 162,316.78 and 63,908.12

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Solution

The fourth proportional to 117,622.28, 162,316.78 and 63,908.12 is: 88,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622.28 : 162,316.78 = 63,908.12 : x
  2. Step 2: Convert to fraction form
    117,622.28/162,316.78 = 63,908.12/x
  3. Step 3: Cross multiply
    117,622.28x = 162,316.78 × 63,908.12
  4. Step 4: Simplify right side
    117,622.28x = 10,373,360,254.25
  5. Step 5: Solve for x
    x = 10,373,360,254.25/117,622.28
  6. Step 6: Final answer
    x = 88,192.14

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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.