Home / 127,819.88-176,392.67-70,461.42

Finding the Fourth Proportional to 127,819.88, 176,392.67 and 70,461.42

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Solution

The fourth proportional to 127,819.88, 176,392.67 and 70,461.42 is: 97,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819.88 : 176,392.67 = 70,461.42 : x
  2. Step 2: Convert to fraction form
    127,819.88/176,392.67 = 70,461.42/x
  3. Step 3: Cross multiply
    127,819.88x = 176,392.67 × 70,461.42
  4. Step 4: Simplify right side
    127,819.88x = 12,428,877,653.48
  5. Step 5: Solve for x
    x = 12,428,877,653.48/127,819.88
  6. Step 6: Final answer
    x = 97,237.44

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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.