Home / 203,666.28-305,426.52-70,510.79

Finding the Fourth Proportional to 203,666.28, 305,426.52 and 70,510.79

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Solution

The fourth proportional to 203,666.28, 305,426.52 and 70,510.79 is: 105,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,666.28 : 305,426.52 = 70,510.79 : x
  2. Step 2: Convert to fraction form
    203,666.28/305,426.52 = 70,510.79/x
  3. Step 3: Cross multiply
    203,666.28x = 305,426.52 × 70,510.79
  4. Step 4: Simplify right side
    203,666.28x = 21,535,863,685.02
  5. Step 5: Solve for x
    x = 21,535,863,685.02/203,666.28
  6. Step 6: Final answer
    x = 105,740.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.