Home / 133,196.18-183,814.33-79,512.35

Finding the Fourth Proportional to 133,196.18, 183,814.33 and 79,512.35

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Solution

The fourth proportional to 133,196.18, 183,814.33 and 79,512.35 is: 109,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,196.18 : 183,814.33 = 79,512.35 : x
  2. Step 2: Convert to fraction form
    133,196.18/183,814.33 = 79,512.35/x
  3. Step 3: Cross multiply
    133,196.18x = 183,814.33 × 79,512.35
  4. Step 4: Simplify right side
    133,196.18x = 14,615,508,683.66
  5. Step 5: Solve for x
    x = 14,615,508,683.66/133,196.18
  6. Step 6: Final answer
    x = 109,729.19

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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.