Home / 153,912.62-212,403.02-96,554.36

Finding the Fourth Proportional to 153,912.62, 212,403.02 and 96,554.36

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Solution

The fourth proportional to 153,912.62, 212,403.02 and 96,554.36 is: 133,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,912.62 : 212,403.02 = 96,554.36 : x
  2. Step 2: Convert to fraction form
    153,912.62/212,403.02 = 96,554.36/x
  3. Step 3: Cross multiply
    153,912.62x = 212,403.02 × 96,554.36
  4. Step 4: Simplify right side
    153,912.62x = 20,508,437,706.40
  5. Step 5: Solve for x
    x = 20,508,437,706.40/153,912.62
  6. Step 6: Final answer
    x = 133,247.28

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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.