Home / 283,767.04-391,586.72-154,702.72

Finding the Fourth Proportional to 283,767.04, 391,586.72 and 154,702.72

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Solution

The fourth proportional to 283,767.04, 391,586.72 and 154,702.72 is: 213,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,767.04 : 391,586.72 = 154,702.72 : x
  2. Step 2: Convert to fraction form
    283,767.04/391,586.72 = 154,702.72/x
  3. Step 3: Cross multiply
    283,767.04x = 391,586.72 × 154,702.72
  4. Step 4: Simplify right side
    283,767.04x = 60,579,530,699.88
  5. Step 5: Solve for x
    x = 60,579,530,699.88/283,767.04
  6. Step 6: Final answer
    x = 213,483.32

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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.