Home / 286,491.05-395,357.56-157,437.83

Finding the Fourth Proportional to 286,491.05, 395,357.56 and 157,437.83

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Solution

The fourth proportional to 286,491.05, 395,357.56 and 157,437.83 is: 217,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,491.05 : 395,357.56 = 157,437.83 : x
  2. Step 2: Convert to fraction form
    286,491.05/395,357.56 = 157,437.83/x
  3. Step 3: Cross multiply
    286,491.05x = 395,357.56 × 157,437.83
  4. Step 4: Simplify right side
    286,491.05x = 62,244,236,320.49
  5. Step 5: Solve for x
    x = 62,244,236,320.49/286,491.05
  6. Step 6: Final answer
    x = 217,264.16

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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.