Home / 285,453.35-393,026.88-242,347.58

Finding the Fourth Proportional to 285,453.35, 393,026.88 and 242,347.58

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Solution

The fourth proportional to 285,453.35, 393,026.88 and 242,347.58 is: 333,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,453.35 : 393,026.88 = 242,347.58 : x
  2. Step 2: Convert to fraction form
    285,453.35/393,026.88 = 242,347.58/x
  3. Step 3: Cross multiply
    285,453.35x = 393,026.88 × 242,347.58
  4. Step 4: Simplify right side
    285,453.35x = 95,249,113,660.47
  5. Step 5: Solve for x
    x = 95,249,113,660.47/285,453.35
  6. Step 6: Final answer
    x = 333,676.64

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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.