Home / 217,146.33-299,678.54-125,282.07

Finding the Fourth Proportional to 217,146.33, 299,678.54 and 125,282.07

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Solution

The fourth proportional to 217,146.33, 299,678.54 and 125,282.07 is: 172,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,146.33 : 299,678.54 = 125,282.07 : x
  2. Step 2: Convert to fraction form
    217,146.33/299,678.54 = 125,282.07/x
  3. Step 3: Cross multiply
    217,146.33x = 299,678.54 × 125,282.07
  4. Step 4: Simplify right side
    217,146.33x = 37,544,347,199.37
  5. Step 5: Solve for x
    x = 37,544,347,199.37/217,146.33
  6. Step 6: Final answer
    x = 172,898.83

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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.