Home / 336,643.81-464,148.26-215,586.07

Finding the Fourth Proportional to 336,643.81, 464,148.26 and 215,586.07

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Solution

The fourth proportional to 336,643.81, 464,148.26 and 215,586.07 is: 297,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,643.81 : 464,148.26 = 215,586.07 : x
  2. Step 2: Convert to fraction form
    336,643.81/464,148.26 = 215,586.07/x
  3. Step 3: Cross multiply
    336,643.81x = 464,148.26 × 215,586.07
  4. Step 4: Simplify right side
    336,643.81x = 100,063,897,840.89
  5. Step 5: Solve for x
    x = 100,063,897,840.89/336,643.81
  6. Step 6: Final answer
    x = 297,239.68

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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.