Home / 186,062.40-256,758.66-105,507.09

Finding the Fourth Proportional to 186,062.40, 256,758.66 and 105,507.09

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Solution

The fourth proportional to 186,062.40, 256,758.66 and 105,507.09 is: 145,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,062.40 : 256,758.66 = 105,507.09 : x
  2. Step 2: Convert to fraction form
    186,062.40/256,758.66 = 105,507.09/x
  3. Step 3: Cross multiply
    186,062.40x = 256,758.66 × 105,507.09
  4. Step 4: Simplify right side
    186,062.40x = 27,089,859,048.90
  5. Step 5: Solve for x
    x = 27,089,859,048.90/186,062.40
  6. Step 6: Final answer
    x = 145,595.56

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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.