Home / 145,060.57-200,180.41-80,526.10

Finding the Fourth Proportional to 145,060.57, 200,180.41 and 80,526.10

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Solution

The fourth proportional to 145,060.57, 200,180.41 and 80,526.10 is: 111,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,060.57 : 200,180.41 = 80,526.10 : x
  2. Step 2: Convert to fraction form
    145,060.57/200,180.41 = 80,526.10/x
  3. Step 3: Cross multiply
    145,060.57x = 200,180.41 × 80,526.10
  4. Step 4: Simplify right side
    145,060.57x = 16,119,747,840.23
  5. Step 5: Solve for x
    x = 16,119,747,840.23/145,060.57
  6. Step 6: Final answer
    x = 111,124.25

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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.