Home / 190,082.27-261,945.95-144,688.34

Finding the Fourth Proportional to 190,082.27, 261,945.95 and 144,688.34

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Solution

The fourth proportional to 190,082.27, 261,945.95 and 144,688.34 is: 199,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,082.27 : 261,945.95 = 144,688.34 : x
  2. Step 2: Convert to fraction form
    190,082.27/261,945.95 = 144,688.34/x
  3. Step 3: Cross multiply
    190,082.27x = 261,945.95 × 144,688.34
  4. Step 4: Simplify right side
    190,082.27x = 37,900,522,642.05
  5. Step 5: Solve for x
    x = 37,900,522,642.05/190,082.27
  6. Step 6: Final answer
    x = 199,390.10

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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.