Home / 164,427.89-226,929.63-136,783.71

Finding the Fourth Proportional to 164,427.89, 226,929.63 and 136,783.71

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Solution

The fourth proportional to 164,427.89, 226,929.63 and 136,783.71 is: 188,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,427.89 : 226,929.63 = 136,783.71 : x
  2. Step 2: Convert to fraction form
    164,427.89/226,929.63 = 136,783.71/x
  3. Step 3: Cross multiply
    164,427.89x = 226,929.63 × 136,783.71
  4. Step 4: Simplify right side
    164,427.89x = 31,040,277,267.65
  5. Step 5: Solve for x
    x = 31,040,277,267.65/164,427.89
  6. Step 6: Final answer
    x = 188,777.45

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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.