Home / 318,039.04-438,902.24-174,802.89

Finding the Fourth Proportional to 318,039.04, 438,902.24 and 174,802.89

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Solution

The fourth proportional to 318,039.04, 438,902.24 and 174,802.89 is: 241,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,039.04 : 438,902.24 = 174,802.89 : x
  2. Step 2: Convert to fraction form
    318,039.04/438,902.24 = 174,802.89/x
  3. Step 3: Cross multiply
    318,039.04x = 438,902.24 × 174,802.89
  4. Step 4: Simplify right side
    318,039.04x = 76,721,379,979.47
  5. Step 5: Solve for x
    x = 76,721,379,979.47/318,039.04
  6. Step 6: Final answer
    x = 241,232.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.