Home / 147,322.16-220,942.88-40,680.60

Finding the Fourth Proportional to 147,322.16, 220,942.88 and 40,680.60

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Solution

The fourth proportional to 147,322.16, 220,942.88 and 40,680.60 is: 61,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,322.16 : 220,942.88 = 40,680.60 : x
  2. Step 2: Convert to fraction form
    147,322.16/220,942.88 = 40,680.60/x
  3. Step 3: Cross multiply
    147,322.16x = 220,942.88 × 40,680.60
  4. Step 4: Simplify right side
    147,322.16x = 8,988,088,924.13
  5. Step 5: Solve for x
    x = 8,988,088,924.13/147,322.16
  6. Step 6: Final answer
    x = 61,009.76

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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.