Home / 186,275.18-257,052.60-105,697.89

Finding the Fourth Proportional to 186,275.18, 257,052.60 and 105,697.89

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Solution

The fourth proportional to 186,275.18, 257,052.60 and 105,697.89 is: 145,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,275.18 : 257,052.60 = 105,697.89 : x
  2. Step 2: Convert to fraction form
    186,275.18/257,052.60 = 105,697.89/x
  3. Step 3: Cross multiply
    186,275.18x = 257,052.60 × 105,697.89
  4. Step 4: Simplify right side
    186,275.18x = 27,169,917,553.16
  5. Step 5: Solve for x
    x = 27,169,917,553.16/186,275.18
  6. Step 6: Final answer
    x = 145,859.04

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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.