Home / 151,774.40-227,515.80-118,021.70

Finding the Fourth Proportional to 151,774.40, 227,515.80 and 118,021.70

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Solution

The fourth proportional to 151,774.40, 227,515.80 and 118,021.70 is: 176,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,774.40 : 227,515.80 = 118,021.70 : x
  2. Step 2: Convert to fraction form
    151,774.40/227,515.80 = 118,021.70/x
  3. Step 3: Cross multiply
    151,774.40x = 227,515.80 × 118,021.70
  4. Step 4: Simplify right side
    151,774.40x = 26,851,801,492.86
  5. Step 5: Solve for x
    x = 26,851,801,492.86/151,774.40
  6. Step 6: Final answer
    x = 176,919.17

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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.