Home / 116,472.14-174,795-86,555.30

Finding the Fourth Proportional to 116,472.14, 174,795 and 86,555.30

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Solution

The fourth proportional to 116,472.14, 174,795 and 86,555.30 is: 129,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,472.14 : 174,795 = 86,555.30 : x
  2. Step 2: Convert to fraction form
    116,472.14/174,795 = 86,555.30/x
  3. Step 3: Cross multiply
    116,472.14x = 174,795 × 86,555.30
  4. Step 4: Simplify right side
    116,472.14x = 15,129,433,663.50
  5. Step 5: Solve for x
    x = 15,129,433,663.50/116,472.14
  6. Step 6: Final answer
    x = 129,897.45

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1.5x scale

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.