Home / 105,251.12-157,901.49-34,168.28

Finding the Fourth Proportional to 105,251.12, 157,901.49 and 34,168.28

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Solution

The fourth proportional to 105,251.12, 157,901.49 and 34,168.28 is: 51,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,251.12 : 157,901.49 = 34,168.28 : x
  2. Step 2: Convert to fraction form
    105,251.12/157,901.49 = 34,168.28/x
  3. Step 3: Cross multiply
    105,251.12x = 157,901.49 × 34,168.28
  4. Step 4: Simplify right side
    105,251.12x = 5,395,222,322.74
  5. Step 5: Solve for x
    x = 5,395,222,322.74/105,251.12
  6. Step 6: Final answer
    x = 51,260.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.