Home / 136,975.74-205,461.38-52,754.37

Finding the Fourth Proportional to 136,975.74, 205,461.38 and 52,754.37

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Solution

The fourth proportional to 136,975.74, 205,461.38 and 52,754.37 is: 79,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,975.74 : 205,461.38 = 52,754.37 : x
  2. Step 2: Convert to fraction form
    136,975.74/205,461.38 = 52,754.37/x
  3. Step 3: Cross multiply
    136,975.74x = 205,461.38 × 52,754.37
  4. Step 4: Simplify right side
    136,975.74x = 10,838,985,397.46
  5. Step 5: Solve for x
    x = 10,838,985,397.46/136,975.74
  6. Step 6: Final answer
    x = 79,130.69

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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.