Home / 150,152.96-206,972.88-118,271.36

Finding the Fourth Proportional to 150,152.96, 206,972.88 and 118,271.36

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Solution

The fourth proportional to 150,152.96, 206,972.88 and 118,271.36 is: 163,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,152.96 : 206,972.88 = 118,271.36 : x
  2. Step 2: Convert to fraction form
    150,152.96/206,972.88 = 118,271.36/x
  3. Step 3: Cross multiply
    150,152.96x = 206,972.88 × 118,271.36
  4. Step 4: Simplify right side
    150,152.96x = 24,478,964,000.72
  5. Step 5: Solve for x
    x = 24,478,964,000.72/150,152.96
  6. Step 6: Final answer
    x = 163,026.85

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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.