Home / 110,936.14-153,102.64-65,628.72

Finding the Fourth Proportional to 110,936.14, 153,102.64 and 65,628.72

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Solution

The fourth proportional to 110,936.14, 153,102.64 and 65,628.72 is: 90,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,936.14 : 153,102.64 = 65,628.72 : x
  2. Step 2: Convert to fraction form
    110,936.14/153,102.64 = 65,628.72/x
  3. Step 3: Cross multiply
    110,936.14x = 153,102.64 × 65,628.72
  4. Step 4: Simplify right side
    110,936.14x = 10,047,930,291.82
  5. Step 5: Solve for x
    x = 10,047,930,291.82/110,936.14
  6. Step 6: Final answer
    x = 90,574.00

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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.