Home / 145,972.50-218,929.58-40,792.38

Finding the Fourth Proportional to 145,972.50, 218,929.58 and 40,792.38

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Solution

The fourth proportional to 145,972.50, 218,929.58 and 40,792.38 is: 61,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,972.50 : 218,929.58 = 40,792.38 : x
  2. Step 2: Convert to fraction form
    145,972.50/218,929.58 = 40,792.38/x
  3. Step 3: Cross multiply
    145,972.50x = 218,929.58 × 40,792.38
  4. Step 4: Simplify right side
    145,972.50x = 8,930,658,416.64
  5. Step 5: Solve for x
    x = 8,930,658,416.64/145,972.50
  6. Step 6: Final answer
    x = 61,180.42

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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.