Home / 186,062.77-256,777.84-109,632.81

Finding the Fourth Proportional to 186,062.77, 256,777.84 and 109,632.81

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Solution

The fourth proportional to 186,062.77, 256,777.84 and 109,632.81 is: 151,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,062.77 : 256,777.84 = 109,632.81 : x
  2. Step 2: Convert to fraction form
    186,062.77/256,777.84 = 109,632.81/x
  3. Step 3: Cross multiply
    186,062.77x = 256,777.84 × 109,632.81
  4. Step 4: Simplify right side
    186,062.77x = 28,151,276,144.93
  5. Step 5: Solve for x
    x = 28,151,276,144.93/186,062.77
  6. Step 6: Final answer
    x = 151,299.89

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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.