Home / 153,984.25-212,492.28-96,654.38

Finding the Fourth Proportional to 153,984.25, 212,492.28 and 96,654.38

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Solution

The fourth proportional to 153,984.25, 212,492.28 and 96,654.38 is: 133,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,984.25 : 212,492.28 = 96,654.38 : x
  2. Step 2: Convert to fraction form
    153,984.25/212,492.28 = 96,654.38/x
  3. Step 3: Cross multiply
    153,984.25x = 212,492.28 × 96,654.38
  4. Step 4: Simplify right side
    153,984.25x = 20,538,308,515.73
  5. Step 5: Solve for x
    x = 20,538,308,515.73/153,984.25
  6. Step 6: Final answer
    x = 133,379.28

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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.