Home / 226,370.16-312,418.08-130,900.32

Finding the Fourth Proportional to 226,370.16, 312,418.08 and 130,900.32

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Solution

The fourth proportional to 226,370.16, 312,418.08 and 130,900.32 is: 180,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,370.16 : 312,418.08 = 130,900.32 : x
  2. Step 2: Convert to fraction form
    226,370.16/312,418.08 = 130,900.32/x
  3. Step 3: Cross multiply
    226,370.16x = 312,418.08 × 130,900.32
  4. Step 4: Simplify right side
    226,370.16x = 40,895,626,645.79
  5. Step 5: Solve for x
    x = 40,895,626,645.79/226,370.16
  6. Step 6: Final answer
    x = 180,658.20

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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.