Home / 134,724.60-201,795.30-72,322.20

Finding the Fourth Proportional to 134,724.60, 201,795.30 and 72,322.20

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Solution

The fourth proportional to 134,724.60, 201,795.30 and 72,322.20 is: 108,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,724.60 : 201,795.30 = 72,322.20 : x
  2. Step 2: Convert to fraction form
    134,724.60/201,795.30 = 72,322.20/x
  3. Step 3: Cross multiply
    134,724.60x = 201,795.30 × 72,322.20
  4. Step 4: Simplify right side
    134,724.60x = 14,594,280,045.66
  5. Step 5: Solve for x
    x = 14,594,280,045.66/134,724.60
  6. Step 6: Final answer
    x = 108,326.76

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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.