Home / 122,381.30-183,624.57-66,261.51

Finding the Fourth Proportional to 122,381.30, 183,624.57 and 66,261.51

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Solution

The fourth proportional to 122,381.30, 183,624.57 and 66,261.51 is: 99,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,381.30 : 183,624.57 = 66,261.51 : x
  2. Step 2: Convert to fraction form
    122,381.30/183,624.57 = 66,261.51/x
  3. Step 3: Cross multiply
    122,381.30x = 183,624.57 × 66,261.51
  4. Step 4: Simplify right side
    122,381.30x = 12,167,241,281.30
  5. Step 5: Solve for x
    x = 12,167,241,281.30/122,381.30
  6. Step 6: Final answer
    x = 99,420.75

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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.