Home / 144,463.20-216,476.10-97,661.40

Finding the Fourth Proportional to 144,463.20, 216,476.10 and 97,661.40

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Solution

The fourth proportional to 144,463.20, 216,476.10 and 97,661.40 is: 146,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,463.20 : 216,476.10 = 97,661.40 : x
  2. Step 2: Convert to fraction form
    144,463.20/216,476.10 = 97,661.40/x
  3. Step 3: Cross multiply
    144,463.20x = 216,476.10 × 97,661.40
  4. Step 4: Simplify right side
    144,463.20x = 21,141,358,992.54
  5. Step 5: Solve for x
    x = 21,141,358,992.54/144,463.20
  6. Step 6: Final answer
    x = 146,344.25

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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.