Home / 145,963.13-218,943.38-46,123.34

Finding the Fourth Proportional to 145,963.13, 218,943.38 and 46,123.34

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Solution

The fourth proportional to 145,963.13, 218,943.38 and 46,123.34 is: 69,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,963.13 : 218,943.38 = 46,123.34 : x
  2. Step 2: Convert to fraction form
    145,963.13/218,943.38 = 46,123.34/x
  3. Step 3: Cross multiply
    145,963.13x = 218,943.38 × 46,123.34
  4. Step 4: Simplify right side
    145,963.13x = 10,098,399,155.25
  5. Step 5: Solve for x
    x = 10,098,399,155.25/145,963.13
  6. Step 6: Final answer
    x = 69,184.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.