Home / 147,573.15-221,384.07-47,758.47

Finding the Fourth Proportional to 147,573.15, 221,384.07 and 47,758.47

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Solution

The fourth proportional to 147,573.15, 221,384.07 and 47,758.47 is: 71,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,573.15 : 221,384.07 = 47,758.47 : x
  2. Step 2: Convert to fraction form
    147,573.15/221,384.07 = 47,758.47/x
  3. Step 3: Cross multiply
    147,573.15x = 221,384.07 × 47,758.47
  4. Step 4: Simplify right side
    147,573.15x = 10,572,964,465.57
  5. Step 5: Solve for x
    x = 10,572,964,465.57/147,573.15
  6. Step 6: Final answer
    x = 71,645.58

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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.