Home / 99,848.96-149,009.23-89,199.39

Finding the Fourth Proportional to 99,848.96, 149,009.23 and 89,199.39

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Solution

The fourth proportional to 99,848.96, 149,009.23 and 89,199.39 is: 133,116.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,848.96 : 149,009.23 = 89,199.39 : x
  2. Step 2: Convert to fraction form
    99,848.96/149,009.23 = 89,199.39/x
  3. Step 3: Cross multiply
    99,848.96x = 149,009.23 × 89,199.39
  4. Step 4: Simplify right side
    99,848.96x = 13,291,532,420.37
  5. Step 5: Solve for x
    x = 13,291,532,420.37/99,848.96
  6. Step 6: Final answer
    x = 133,116.38

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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.