Home / 122,725.72-183,818.76-101,424.36

Finding the Fourth Proportional to 122,725.72, 183,818.76 and 101,424.36

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Solution

The fourth proportional to 122,725.72, 183,818.76 and 101,424.36 is: 151,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,725.72 : 183,818.76 = 101,424.36 : x
  2. Step 2: Convert to fraction form
    122,725.72/183,818.76 = 101,424.36/x
  3. Step 3: Cross multiply
    122,725.72x = 183,818.76 × 101,424.36
  4. Step 4: Simplify right side
    122,725.72x = 18,643,700,088.99
  5. Step 5: Solve for x
    x = 18,643,700,088.99/122,725.72
  6. Step 6: Final answer
    x = 151,913.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.