Home / 226,354.70-312,369.40-124,386.72

Finding the Fourth Proportional to 226,354.70, 312,369.40 and 124,386.72

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Solution

The fourth proportional to 226,354.70, 312,369.40 and 124,386.72 is: 171,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,354.70 : 312,369.40 = 124,386.72 : x
  2. Step 2: Convert to fraction form
    226,354.70/312,369.40 = 124,386.72/x
  3. Step 3: Cross multiply
    226,354.70x = 312,369.40 × 124,386.72
  4. Step 4: Simplify right side
    226,354.70x = 38,854,605,094.37
  5. Step 5: Solve for x
    x = 38,854,605,094.37/226,354.70
  6. Step 6: Final answer
    x = 171,653.63

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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.