Home / 147,784.65-221,708.13-47,937.08

Finding the Fourth Proportional to 147,784.65, 221,708.13 and 47,937.08

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Solution

The fourth proportional to 147,784.65, 221,708.13 and 47,937.08 is: 71,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,784.65 : 221,708.13 = 47,937.08 : x
  2. Step 2: Convert to fraction form
    147,784.65/221,708.13 = 47,937.08/x
  3. Step 3: Cross multiply
    147,784.65x = 221,708.13 × 47,937.08
  4. Step 4: Simplify right side
    147,784.65x = 10,628,040,364.46
  5. Step 5: Solve for x
    x = 10,628,040,364.46/147,784.65
  6. Step 6: Final answer
    x = 71,915.73

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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.