Home / 283,607.63-391,360.11-156,283.22

Finding the Fourth Proportional to 283,607.63, 391,360.11 and 156,283.22

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Solution

The fourth proportional to 283,607.63, 391,360.11 and 156,283.22 is: 215,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,607.63 : 391,360.11 = 156,283.22 : x
  2. Step 2: Convert to fraction form
    283,607.63/391,360.11 = 156,283.22/x
  3. Step 3: Cross multiply
    283,607.63x = 391,360.11 × 156,283.22
  4. Step 4: Simplify right side
    283,607.63x = 61,163,018,562.69
  5. Step 5: Solve for x
    x = 61,163,018,562.69/283,607.63
  6. Step 6: Final answer
    x = 215,660.70

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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.