Home / 163,040.62-224,991.39-99,355.18

Finding the Fourth Proportional to 163,040.62, 224,991.39 and 99,355.18

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Solution

The fourth proportional to 163,040.62, 224,991.39 and 99,355.18 is: 137,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,040.62 : 224,991.39 = 99,355.18 : x
  2. Step 2: Convert to fraction form
    163,040.62/224,991.39 = 99,355.18/x
  3. Step 3: Cross multiply
    163,040.62x = 224,991.39 × 99,355.18
  4. Step 4: Simplify right side
    163,040.62x = 22,354,060,051.90
  5. Step 5: Solve for x
    x = 22,354,060,051.90/163,040.62
  6. Step 6: Final answer
    x = 137,107.31

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1.5x scale

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.