Home / 145,300.24-200,506.62-81,633.94

Finding the Fourth Proportional to 145,300.24, 200,506.62 and 81,633.94

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Solution

The fourth proportional to 145,300.24, 200,506.62 and 81,633.94 is: 112,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,300.24 : 200,506.62 = 81,633.94 : x
  2. Step 2: Convert to fraction form
    145,300.24/200,506.62 = 81,633.94/x
  3. Step 3: Cross multiply
    145,300.24x = 200,506.62 × 81,633.94
  4. Step 4: Simplify right side
    145,300.24x = 16,368,145,191.54
  5. Step 5: Solve for x
    x = 16,368,145,191.54/145,300.24
  6. Step 6: Final answer
    x = 112,650.50

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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.