Home / 147,646.47-221,504.99-47,806.77

Finding the Fourth Proportional to 147,646.47, 221,504.99 and 47,806.77

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Solution

The fourth proportional to 147,646.47, 221,504.99 and 47,806.77 is: 71,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,646.47 : 221,504.99 = 47,806.77 : x
  2. Step 2: Convert to fraction form
    147,646.47/221,504.99 = 47,806.77/x
  3. Step 3: Cross multiply
    147,646.47x = 221,504.99 × 47,806.77
  4. Step 4: Simplify right side
    147,646.47x = 10,589,438,702.39
  5. Step 5: Solve for x
    x = 10,589,438,702.39/147,646.47
  6. Step 6: Final answer
    x = 71,721.58

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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.