Home / 127,938.76-176,553.34-70,583.54

Finding the Fourth Proportional to 127,938.76, 176,553.34 and 70,583.54

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Solution

The fourth proportional to 127,938.76, 176,553.34 and 70,583.54 is: 97,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938.76 : 176,553.34 = 70,583.54 : x
  2. Step 2: Convert to fraction form
    127,938.76/176,553.34 = 70,583.54/x
  3. Step 3: Cross multiply
    127,938.76x = 176,553.34 × 70,583.54
  4. Step 4: Simplify right side
    127,938.76x = 12,461,758,676.80
  5. Step 5: Solve for x
    x = 12,461,758,676.80/127,938.76
  6. Step 6: Final answer
    x = 97,404.09

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1.5x scale

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.