Home / 186,947.02-257,982.78-102,065.50

Finding the Fourth Proportional to 186,947.02, 257,982.78 and 102,065.50

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Solution

The fourth proportional to 186,947.02, 257,982.78 and 102,065.50 is: 140,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,947.02 : 257,982.78 = 102,065.50 : x
  2. Step 2: Convert to fraction form
    186,947.02/257,982.78 = 102,065.50/x
  3. Step 3: Cross multiply
    186,947.02x = 257,982.78 × 102,065.50
  4. Step 4: Simplify right side
    186,947.02x = 26,331,141,432.09
  5. Step 5: Solve for x
    x = 26,331,141,432.09/186,947.02
  6. Step 6: Final answer
    x = 140,848.15

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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.