Home / 186,808.24-257,802.78-106,243.12

Finding the Fourth Proportional to 186,808.24, 257,802.78 and 106,243.12

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Solution

The fourth proportional to 186,808.24, 257,802.78 and 106,243.12 is: 146,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,808.24 : 257,802.78 = 106,243.12 : x
  2. Step 2: Convert to fraction form
    186,808.24/257,802.78 = 106,243.12/x
  3. Step 3: Cross multiply
    186,808.24x = 257,802.78 × 106,243.12
  4. Step 4: Simplify right side
    186,808.24x = 27,389,771,691.87
  5. Step 5: Solve for x
    x = 27,389,771,691.87/186,808.24
  6. Step 6: Final answer
    x = 146,619.72

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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.