Home / 144,985.10-217,477.65-133,612.70

Finding the Fourth Proportional to 144,985.10, 217,477.65 and 133,612.70

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Solution

The fourth proportional to 144,985.10, 217,477.65 and 133,612.70 is: 200,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,985.10 : 217,477.65 = 133,612.70 : x
  2. Step 2: Convert to fraction form
    144,985.10/217,477.65 = 133,612.70/x
  3. Step 3: Cross multiply
    144,985.10x = 217,477.65 × 133,612.70
  4. Step 4: Simplify right side
    144,985.10x = 29,057,776,006.16
  5. Step 5: Solve for x
    x = 29,057,776,006.16/144,985.10
  6. Step 6: Final answer
    x = 200,419.05

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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.