Home / 162,176.40-243,556.20-117,853.20

Finding the Fourth Proportional to 162,176.40, 243,556.20 and 117,853.20

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Solution

The fourth proportional to 162,176.40, 243,556.20 and 117,853.20 is: 176,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,176.40 : 243,556.20 = 117,853.20 : x
  2. Step 2: Convert to fraction form
    162,176.40/243,556.20 = 117,853.20/x
  3. Step 3: Cross multiply
    162,176.40x = 243,556.20 × 117,853.20
  4. Step 4: Simplify right side
    162,176.40x = 28,703,877,549.84
  5. Step 5: Solve for x
    x = 28,703,877,549.84/162,176.40
  6. Step 6: Final answer
    x = 176,991.71

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1.5x scale

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.