Home / 99,737.25-149,021.78-96,248.98

Finding the Fourth Proportional to 99,737.25, 149,021.78 and 96,248.98

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Solution

The fourth proportional to 99,737.25, 149,021.78 and 96,248.98 is: 143,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737.25 : 149,021.78 = 96,248.98 : x
  2. Step 2: Convert to fraction form
    99,737.25/149,021.78 = 96,248.98/x
  3. Step 3: Cross multiply
    99,737.25x = 149,021.78 × 96,248.98
  4. Step 4: Simplify right side
    99,737.25x = 14,343,194,322.78
  5. Step 5: Solve for x
    x = 14,343,194,322.78/99,737.25
  6. Step 6: Final answer
    x = 143,809.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.