Home / 109,534.64-151,181.22-69,222.68

Finding the Fourth Proportional to 109,534.64, 151,181.22 and 69,222.68

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Solution

The fourth proportional to 109,534.64, 151,181.22 and 69,222.68 is: 95,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,534.64 : 151,181.22 = 69,222.68 : x
  2. Step 2: Convert to fraction form
    109,534.64/151,181.22 = 69,222.68/x
  3. Step 3: Cross multiply
    109,534.64x = 151,181.22 × 69,222.68
  4. Step 4: Simplify right side
    109,534.64x = 10,465,169,214.07
  5. Step 5: Solve for x
    x = 10,465,169,214.07/109,534.64
  6. Step 6: Final answer
    x = 95,542.10

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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.