Home / 179,626.40-247,886.16-99,056.78

Finding the Fourth Proportional to 179,626.40, 247,886.16 and 99,056.78

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Solution

The fourth proportional to 179,626.40, 247,886.16 and 99,056.78 is: 136,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,626.40 : 247,886.16 = 99,056.78 : x
  2. Step 2: Convert to fraction form
    179,626.40/247,886.16 = 99,056.78/x
  3. Step 3: Cross multiply
    179,626.40x = 247,886.16 × 99,056.78
  4. Step 4: Simplify right side
    179,626.40x = 24,554,804,816.16
  5. Step 5: Solve for x
    x = 24,554,804,816.16/179,626.40
  6. Step 6: Final answer
    x = 136,699.31

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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.