Home / 186,905.04-257,930.28-102,022.80

Finding the Fourth Proportional to 186,905.04, 257,930.28 and 102,022.80

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Solution

The fourth proportional to 186,905.04, 257,930.28 and 102,022.80 is: 140,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,905.04 : 257,930.28 = 102,022.80 : x
  2. Step 2: Convert to fraction form
    186,905.04/257,930.28 = 102,022.80/x
  3. Step 3: Cross multiply
    186,905.04x = 257,930.28 × 102,022.80
  4. Step 4: Simplify right side
    186,905.04x = 26,314,769,370.38
  5. Step 5: Solve for x
    x = 26,314,769,370.38/186,905.04
  6. Step 6: Final answer
    x = 140,792.19

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1.5x scale

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.