Home / 226,785.02-312,982.79-124,830.72

Finding the Fourth Proportional to 226,785.02, 312,982.79 and 124,830.72

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Solution

The fourth proportional to 226,785.02, 312,982.79 and 124,830.72 is: 172,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,785.02 : 312,982.79 = 124,830.72 : x
  2. Step 2: Convert to fraction form
    226,785.02/312,982.79 = 124,830.72/x
  3. Step 3: Cross multiply
    226,785.02x = 312,982.79 × 124,830.72
  4. Step 4: Simplify right side
    226,785.02x = 39,069,866,399.16
  5. Step 5: Solve for x
    x = 39,069,866,399.16/226,785.02
  6. Step 6: Final answer
    x = 172,277.11

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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.