Home / 309,220.46-463,927.55-93,087.75

Finding the Fourth Proportional to 309,220.46, 463,927.55 and 93,087.75

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Solution

The fourth proportional to 309,220.46, 463,927.55 and 93,087.75 is: 139,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,220.46 : 463,927.55 = 93,087.75 : x
  2. Step 2: Convert to fraction form
    309,220.46/463,927.55 = 93,087.75/x
  3. Step 3: Cross multiply
    309,220.46x = 463,927.55 × 93,087.75
  4. Step 4: Simplify right side
    309,220.46x = 43,185,971,792.51
  5. Step 5: Solve for x
    x = 43,185,971,792.51/309,220.46
  6. Step 6: Final answer
    x = 139,660.78

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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.