Home / 186,548.18-257,429.97-101,663.54

Finding the Fourth Proportional to 186,548.18, 257,429.97 and 101,663.54

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Solution

The fourth proportional to 186,548.18, 257,429.97 and 101,663.54 is: 140,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,548.18 : 257,429.97 = 101,663.54 : x
  2. Step 2: Convert to fraction form
    186,548.18/257,429.97 = 101,663.54/x
  3. Step 3: Cross multiply
    186,548.18x = 257,429.97 × 101,663.54
  4. Step 4: Simplify right side
    186,548.18x = 26,171,242,052.29
  5. Step 5: Solve for x
    x = 26,171,242,052.29/186,548.18
  6. Step 6: Final answer
    x = 140,292.13

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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.