Home / 153,254.27-211,516.24-89,579.77

Finding the Fourth Proportional to 153,254.27, 211,516.24 and 89,579.77

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Solution

The fourth proportional to 153,254.27, 211,516.24 and 89,579.77 is: 123,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,254.27 : 211,516.24 = 89,579.77 : x
  2. Step 2: Convert to fraction form
    153,254.27/211,516.24 = 89,579.77/x
  3. Step 3: Cross multiply
    153,254.27x = 211,516.24 × 89,579.77
  4. Step 4: Simplify right side
    153,254.27x = 18,947,576,130.46
  5. Step 5: Solve for x
    x = 18,947,576,130.46/153,254.27
  6. Step 6: Final answer
    x = 123,634.90

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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.