Home / 226,232.73-312,166.44-130,720.91

Finding the Fourth Proportional to 226,232.73, 312,166.44 and 130,720.91

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Solution

The fourth proportional to 226,232.73, 312,166.44 and 130,720.91 is: 180,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,232.73 : 312,166.44 = 130,720.91 : x
  2. Step 2: Convert to fraction form
    226,232.73/312,166.44 = 130,720.91/x
  3. Step 3: Cross multiply
    226,232.73x = 312,166.44 × 130,720.91
  4. Step 4: Simplify right side
    226,232.73x = 40,806,679,547.43
  5. Step 5: Solve for x
    x = 40,806,679,547.43/226,232.73
  6. Step 6: Final answer
    x = 180,374.78

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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.