Home / 153,391.14-211,737.51-89,749.44

Finding the Fourth Proportional to 153,391.14, 211,737.51 and 89,749.44

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Solution

The fourth proportional to 153,391.14, 211,737.51 and 89,749.44 is: 123,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,391.14 : 211,737.51 = 89,749.44 : x
  2. Step 2: Convert to fraction form
    153,391.14/211,737.51 = 89,749.44/x
  3. Step 3: Cross multiply
    153,391.14x = 211,737.51 × 89,749.44
  4. Step 4: Simplify right side
    153,391.14x = 19,003,322,949.49
  5. Step 5: Solve for x
    x = 19,003,322,949.49/153,391.14
  6. Step 6: Final answer
    x = 123,888.01

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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.