Home / 283,334.06-391,009.61-156,014.21

Finding the Fourth Proportional to 283,334.06, 391,009.61 and 156,014.21

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Solution

The fourth proportional to 283,334.06, 391,009.61 and 156,014.21 is: 215,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,334.06 : 391,009.61 = 156,014.21 : x
  2. Step 2: Convert to fraction form
    283,334.06/391,009.61 = 156,014.21/x
  3. Step 3: Cross multiply
    283,334.06x = 391,009.61 × 156,014.21
  4. Step 4: Simplify right side
    283,334.06x = 61,003,054,626.49
  5. Step 5: Solve for x
    x = 61,003,054,626.49/283,334.06
  6. Step 6: Final answer
    x = 215,304.35

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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.