Home / 186,480.48-257,334.11-105,897.36

Finding the Fourth Proportional to 186,480.48, 257,334.11 and 105,897.36

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Solution

The fourth proportional to 186,480.48, 257,334.11 and 105,897.36 is: 146,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,480.48 : 257,334.11 = 105,897.36 : x
  2. Step 2: Convert to fraction form
    186,480.48/257,334.11 = 105,897.36/x
  3. Step 3: Cross multiply
    186,480.48x = 257,334.11 × 105,897.36
  4. Step 4: Simplify right side
    186,480.48x = 27,251,001,070.79
  5. Step 5: Solve for x
    x = 27,251,001,070.79/186,480.48
  6. Step 6: Final answer
    x = 146,133.27

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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.