Home / 283,712.31-391,518.18-154,652.22

Finding the Fourth Proportional to 283,712.31, 391,518.18 and 154,652.22

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Solution

The fourth proportional to 283,712.31, 391,518.18 and 154,652.22 is: 213,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,712.31 : 391,518.18 = 154,652.22 : x
  2. Step 2: Convert to fraction form
    283,712.31/391,518.18 = 154,652.22/x
  3. Step 3: Cross multiply
    283,712.31x = 391,518.18 × 154,652.22
  4. Step 4: Simplify right side
    283,712.31x = 60,549,155,707.36
  5. Step 5: Solve for x
    x = 60,549,155,707.36/283,712.31
  6. Step 6: Final answer
    x = 213,417.44

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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.