Home / 226,696.94-312,841.76-124,720.21

Finding the Fourth Proportional to 226,696.94, 312,841.76 and 124,720.21

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Solution

The fourth proportional to 226,696.94, 312,841.76 and 124,720.21 is: 172,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,696.94 : 312,841.76 = 124,720.21 : x
  2. Step 2: Convert to fraction form
    226,696.94/312,841.76 = 124,720.21/x
  3. Step 3: Cross multiply
    226,696.94x = 312,841.76 × 124,720.21
  4. Step 4: Simplify right side
    226,696.94x = 39,017,688,598.26
  5. Step 5: Solve for x
    x = 39,017,688,598.26/226,696.94
  6. Step 6: Final answer
    x = 172,113.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.