Home / 226,343.16-312,215.16-134,400.12

Finding the Fourth Proportional to 226,343.16, 312,215.16 and 134,400.12

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Solution

The fourth proportional to 226,343.16, 312,215.16 and 134,400.12 is: 185,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,343.16 : 312,215.16 = 134,400.12 : x
  2. Step 2: Convert to fraction form
    226,343.16/312,215.16 = 134,400.12/x
  3. Step 3: Cross multiply
    226,343.16x = 312,215.16 × 134,400.12
  4. Step 4: Simplify right side
    226,343.16x = 41,961,754,969.82
  5. Step 5: Solve for x
    x = 41,961,754,969.82/226,343.16
  6. Step 6: Final answer
    x = 185,389.98

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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.