Home / 358,645.52-538,282.06-190,290.26

Finding the Fourth Proportional to 358,645.52, 538,282.06 and 190,290.26

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Solution

The fourth proportional to 358,645.52, 538,282.06 and 190,290.26 is: 285,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,645.52 : 538,282.06 = 190,290.26 : x
  2. Step 2: Convert to fraction form
    358,645.52/538,282.06 = 190,290.26/x
  3. Step 3: Cross multiply
    358,645.52x = 538,282.06 × 190,290.26
  4. Step 4: Simplify right side
    358,645.52x = 102,429,834,020.72
  5. Step 5: Solve for x
    x = 102,429,834,020.72/358,645.52
  6. Step 6: Final answer
    x = 285,601.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.