Home / 186,549.18-257,431.35-101,664.54

Finding the Fourth Proportional to 186,549.18, 257,431.35 and 101,664.54

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Solution

The fourth proportional to 186,549.18, 257,431.35 and 101,664.54 is: 140,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,549.18 : 257,431.35 = 101,664.54 : x
  2. Step 2: Convert to fraction form
    186,549.18/257,431.35 = 101,664.54/x
  3. Step 3: Cross multiply
    186,549.18x = 257,431.35 × 101,664.54
  4. Step 4: Simplify right side
    186,549.18x = 26,171,639,779.33
  5. Step 5: Solve for x
    x = 26,171,639,779.33/186,549.18
  6. Step 6: Final answer
    x = 140,293.51

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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.