Home / 186,069.96-256,784.58-105,496.83

Finding the Fourth Proportional to 186,069.96, 256,784.58 and 105,496.83

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Solution

The fourth proportional to 186,069.96, 256,784.58 and 105,496.83 is: 145,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,069.96 : 256,784.58 = 105,496.83 : x
  2. Step 2: Convert to fraction form
    186,069.96/256,784.58 = 105,496.83/x
  3. Step 3: Cross multiply
    186,069.96x = 256,784.58 × 105,496.83
  4. Step 4: Simplify right side
    186,069.96x = 27,089,959,182.88
  5. Step 5: Solve for x
    x = 27,089,959,182.88/186,069.96
  6. Step 6: Final answer
    x = 145,590.18

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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.