Home / 127,715.84-191,573.81-52,753.60

Finding the Fourth Proportional to 127,715.84, 191,573.81 and 52,753.60

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Solution

The fourth proportional to 127,715.84, 191,573.81 and 52,753.60 is: 79,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,715.84 : 191,573.81 = 52,753.60 : x
  2. Step 2: Convert to fraction form
    127,715.84/191,573.81 = 52,753.60/x
  3. Step 3: Cross multiply
    127,715.84x = 191,573.81 × 52,753.60
  4. Step 4: Simplify right side
    127,715.84x = 10,106,206,921.58
  5. Step 5: Solve for x
    x = 10,106,206,921.58/127,715.84
  6. Step 6: Final answer
    x = 79,130.41

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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.