Home / 366,921.10-550,381.65-156,580.30

Finding the Fourth Proportional to 366,921.10, 550,381.65 and 156,580.30

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Solution

The fourth proportional to 366,921.10, 550,381.65 and 156,580.30 is: 234,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,921.10 : 550,381.65 = 156,580.30 : x
  2. Step 2: Convert to fraction form
    366,921.10/550,381.65 = 156,580.30/x
  3. Step 3: Cross multiply
    366,921.10x = 550,381.65 × 156,580.30
  4. Step 4: Simplify right side
    366,921.10x = 86,178,923,871.50
  5. Step 5: Solve for x
    x = 86,178,923,871.50/366,921.10
  6. Step 6: Final answer
    x = 234,870.45

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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.