Home / 144,631.04-216,865.34-99,090.14

Finding the Fourth Proportional to 144,631.04, 216,865.34 and 99,090.14

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Solution

The fourth proportional to 144,631.04, 216,865.34 and 99,090.14 is: 148,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,631.04 : 216,865.34 = 99,090.14 : x
  2. Step 2: Convert to fraction form
    144,631.04/216,865.34 = 99,090.14/x
  3. Step 3: Cross multiply
    144,631.04x = 216,865.34 × 99,090.14
  4. Step 4: Simplify right side
    144,631.04x = 21,489,216,901.75
  5. Step 5: Solve for x
    x = 21,489,216,901.75/144,631.04
  6. Step 6: Final answer
    x = 148,579.56

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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.