Home / 162,176.72-242,827.48-105,877.36

Finding the Fourth Proportional to 162,176.72, 242,827.48 and 105,877.36

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Solution

The fourth proportional to 162,176.72, 242,827.48 and 105,877.36 is: 158,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,176.72 : 242,827.48 = 105,877.36 : x
  2. Step 2: Convert to fraction form
    162,176.72/242,827.48 = 105,877.36/x
  3. Step 3: Cross multiply
    162,176.72x = 242,827.48 × 105,877.36
  4. Step 4: Simplify right side
    162,176.72x = 25,709,932,517.85
  5. Step 5: Solve for x
    x = 25,709,932,517.85/162,176.72
  6. Step 6: Final answer
    x = 158,530.35

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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.