Home / 166,383.18-249,600.57-70,320.80

Finding the Fourth Proportional to 166,383.18, 249,600.57 and 70,320.80

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Solution

The fourth proportional to 166,383.18, 249,600.57 and 70,320.80 is: 105,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,383.18 : 249,600.57 = 70,320.80 : x
  2. Step 2: Convert to fraction form
    166,383.18/249,600.57 = 70,320.80/x
  3. Step 3: Cross multiply
    166,383.18x = 249,600.57 × 70,320.80
  4. Step 4: Simplify right side
    166,383.18x = 17,552,110,514.85
  5. Step 5: Solve for x
    x = 17,552,110,514.85/166,383.18
  6. Step 6: Final answer
    x = 105,492.10

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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.