Home / 186,842.10-257,847.75-106,281.12

Finding the Fourth Proportional to 186,842.10, 257,847.75 and 106,281.12

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Solution

The fourth proportional to 186,842.10, 257,847.75 and 106,281.12 is: 146,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,842.10 : 257,847.75 = 106,281.12 : x
  2. Step 2: Convert to fraction form
    186,842.10/257,847.75 = 106,281.12/x
  3. Step 3: Cross multiply
    186,842.10x = 257,847.75 × 106,281.12
  4. Step 4: Simplify right side
    186,842.10x = 27,404,347,659.48
  5. Step 5: Solve for x
    x = 27,404,347,659.48/186,842.10
  6. Step 6: Final answer
    x = 146,671.16

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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.