Home / 143,941.02-198,574.40-83,476.67

Finding the Fourth Proportional to 143,941.02, 198,574.40 and 83,476.67

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Solution

The fourth proportional to 143,941.02, 198,574.40 and 83,476.67 is: 115,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,941.02 : 198,574.40 = 83,476.67 : x
  2. Step 2: Convert to fraction form
    143,941.02/198,574.40 = 83,476.67/x
  3. Step 3: Cross multiply
    143,941.02x = 198,574.40 × 83,476.67
  4. Step 4: Simplify right side
    143,941.02x = 16,576,328,248.99
  5. Step 5: Solve for x
    x = 16,576,328,248.99/143,941.02
  6. Step 6: Final answer
    x = 115,160.56

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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.