Home / 147,849.58-221,792.80-57,880.66

Finding the Fourth Proportional to 147,849.58, 221,792.80 and 57,880.66

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Solution

The fourth proportional to 147,849.58, 221,792.80 and 57,880.66 is: 86,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,849.58 : 221,792.80 = 57,880.66 : x
  2. Step 2: Convert to fraction form
    147,849.58/221,792.80 = 57,880.66/x
  3. Step 3: Cross multiply
    147,849.58x = 221,792.80 × 57,880.66
  4. Step 4: Simplify right side
    147,849.58x = 12,837,513,647.25
  5. Step 5: Solve for x
    x = 12,837,513,647.25/147,849.58
  6. Step 6: Final answer
    x = 86,828.21

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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.