Home / 355,767.39-533,647.98-145,257.57

Finding the Fourth Proportional to 355,767.39, 533,647.98 and 145,257.57

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Solution

The fourth proportional to 355,767.39, 533,647.98 and 145,257.57 is: 217,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,767.39 : 533,647.98 = 145,257.57 : x
  2. Step 2: Convert to fraction form
    355,767.39/533,647.98 = 145,257.57/x
  3. Step 3: Cross multiply
    355,767.39x = 533,647.98 × 145,257.57
  4. Step 4: Simplify right side
    355,767.39x = 77,516,408,810.21
  5. Step 5: Solve for x
    x = 77,516,408,810.21/355,767.39
  6. Step 6: Final answer
    x = 217,885.09

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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.