Home / 148,623.05-205,099.75-84,962.22

Finding the Fourth Proportional to 148,623.05, 205,099.75 and 84,962.22

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Solution

The fourth proportional to 148,623.05, 205,099.75 and 84,962.22 is: 117,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,623.05 : 205,099.75 = 84,962.22 : x
  2. Step 2: Convert to fraction form
    148,623.05/205,099.75 = 84,962.22/x
  3. Step 3: Cross multiply
    148,623.05x = 205,099.75 × 84,962.22
  4. Step 4: Simplify right side
    148,623.05x = 17,425,728,940.61
  5. Step 5: Solve for x
    x = 17,425,728,940.61/148,623.05
  6. Step 6: Final answer
    x = 117,247.82

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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.