Home / 186,273.02-257,092.20-105,708.05

Finding the Fourth Proportional to 186,273.02, 257,092.20 and 105,708.05

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Solution

The fourth proportional to 186,273.02, 257,092.20 and 105,708.05 is: 145,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,273.02 : 257,092.20 = 105,708.05 : x
  2. Step 2: Convert to fraction form
    186,273.02/257,092.20 = 105,708.05/x
  3. Step 3: Cross multiply
    186,273.02x = 257,092.20 × 105,708.05
  4. Step 4: Simplify right side
    186,273.02x = 27,176,715,132.21
  5. Step 5: Solve for x
    x = 27,176,715,132.21/186,273.02
  6. Step 6: Final answer
    x = 145,897.22

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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.