Home / 226,408.66-312,445.63-124,435.85

Finding the Fourth Proportional to 226,408.66, 312,445.63 and 124,435.85

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Solution

The fourth proportional to 226,408.66, 312,445.63 and 124,435.85 is: 171,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,408.66 : 312,445.63 = 124,435.85 : x
  2. Step 2: Convert to fraction form
    226,408.66/312,445.63 = 124,435.85/x
  3. Step 3: Cross multiply
    226,408.66x = 312,445.63 × 124,435.85
  4. Step 4: Simplify right side
    226,408.66x = 38,879,437,547.84
  5. Step 5: Solve for x
    x = 38,879,437,547.84/226,408.66
  6. Step 6: Final answer
    x = 171,722.40

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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.