Home / 186,537.76-257,421.66-101,654.68

Finding the Fourth Proportional to 186,537.76, 257,421.66 and 101,654.68

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Solution

The fourth proportional to 186,537.76, 257,421.66 and 101,654.68 is: 140,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,537.76 : 257,421.66 = 101,654.68 : x
  2. Step 2: Convert to fraction form
    186,537.76/257,421.66 = 101,654.68/x
  3. Step 3: Cross multiply
    186,537.76x = 257,421.66 × 101,654.68
  4. Step 4: Simplify right side
    186,537.76x = 26,168,116,472.37
  5. Step 5: Solve for x
    x = 26,168,116,472.37/186,537.76
  6. Step 6: Final answer
    x = 140,283.21

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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.