Home / 133,775.13-184,611.15-76,422.06

Finding the Fourth Proportional to 133,775.13, 184,611.15 and 76,422.06

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Solution

The fourth proportional to 133,775.13, 184,611.15 and 76,422.06 is: 105,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,775.13 : 184,611.15 = 76,422.06 : x
  2. Step 2: Convert to fraction form
    133,775.13/184,611.15 = 76,422.06/x
  3. Step 3: Cross multiply
    133,775.13x = 184,611.15 × 76,422.06
  4. Step 4: Simplify right side
    133,775.13x = 14,108,364,381.97
  5. Step 5: Solve for x
    x = 14,108,364,381.97/133,775.13
  6. Step 6: Final answer
    x = 105,463.28

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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.