Home / 255,171.04-382,811.91-77,673.43

Finding the Fourth Proportional to 255,171.04, 382,811.91 and 77,673.43

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Solution

The fourth proportional to 255,171.04, 382,811.91 and 77,673.43 is: 116,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,171.04 : 382,811.91 = 77,673.43 : x
  2. Step 2: Convert to fraction form
    255,171.04/382,811.91 = 77,673.43/x
  3. Step 3: Cross multiply
    255,171.04x = 382,811.91 × 77,673.43
  4. Step 4: Simplify right side
    255,171.04x = 29,734,314,094.55
  5. Step 5: Solve for x
    x = 29,734,314,094.55/255,171.04
  6. Step 6: Final answer
    x = 116,526.99

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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.