Home / 198,527.16-274,000.14-144,989.40

Finding the Fourth Proportional to 198,527.16, 274,000.14 and 144,989.40

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Solution

The fourth proportional to 198,527.16, 274,000.14 and 144,989.40 is: 200,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,527.16 : 274,000.14 = 144,989.40 : x
  2. Step 2: Convert to fraction form
    198,527.16/274,000.14 = 144,989.40/x
  3. Step 3: Cross multiply
    198,527.16x = 274,000.14 × 144,989.40
  4. Step 4: Simplify right side
    198,527.16x = 39,727,115,898.52
  5. Step 5: Solve for x
    x = 39,727,115,898.52/198,527.16
  6. Step 6: Final answer
    x = 200,109.22

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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.