Home / 143,541.48-198,074.36-83,116.23

Finding the Fourth Proportional to 143,541.48, 198,074.36 and 83,116.23

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Solution

The fourth proportional to 143,541.48, 198,074.36 and 83,116.23 is: 114,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,541.48 : 198,074.36 = 83,116.23 : x
  2. Step 2: Convert to fraction form
    143,541.48/198,074.36 = 83,116.23/x
  3. Step 3: Cross multiply
    143,541.48x = 198,074.36 × 83,116.23
  4. Step 4: Simplify right side
    143,541.48x = 16,463,194,062.86
  5. Step 5: Solve for x
    x = 16,463,194,062.86/143,541.48
  6. Step 6: Final answer
    x = 114,692.94

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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.