Home / 133,204.93-183,817.35-72,777.66

Finding the Fourth Proportional to 133,204.93, 183,817.35 and 72,777.66

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Solution

The fourth proportional to 133,204.93, 183,817.35 and 72,777.66 is: 100,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,204.93 : 183,817.35 = 72,777.66 : x
  2. Step 2: Convert to fraction form
    133,204.93/183,817.35 = 72,777.66/x
  3. Step 3: Cross multiply
    133,204.93x = 183,817.35 × 72,777.66
  4. Step 4: Simplify right side
    133,204.93x = 13,377,797,462.04
  5. Step 5: Solve for x
    x = 13,377,797,462.04/133,204.93
  6. Step 6: Final answer
    x = 100,430.20

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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.