Home / 145,708.52-218,563.20-40,527.59

Finding the Fourth Proportional to 145,708.52, 218,563.20 and 40,527.59

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Solution

The fourth proportional to 145,708.52, 218,563.20 and 40,527.59 is: 60,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,708.52 : 218,563.20 = 40,527.59 : x
  2. Step 2: Convert to fraction form
    145,708.52/218,563.20 = 40,527.59/x
  3. Step 3: Cross multiply
    145,708.52x = 218,563.20 × 40,527.59
  4. Step 4: Simplify right side
    145,708.52x = 8,857,838,665.87
  5. Step 5: Solve for x
    x = 8,857,838,665.87/145,708.52
  6. Step 6: Final answer
    x = 60,791.50

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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.