Home / 330,564.18-456,176.40-179,661.18

Finding the Fourth Proportional to 330,564.18, 456,176.40 and 179,661.18

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Solution

The fourth proportional to 330,564.18, 456,176.40 and 179,661.18 is: 247,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,564.18 : 456,176.40 = 179,661.18 : x
  2. Step 2: Convert to fraction form
    330,564.18/456,176.40 = 179,661.18/x
  3. Step 3: Cross multiply
    330,564.18x = 456,176.40 × 179,661.18
  4. Step 4: Simplify right side
    330,564.18x = 81,957,190,312.15
  5. Step 5: Solve for x
    x = 81,957,190,312.15/330,564.18
  6. Step 6: Final answer
    x = 247,931.25

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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.