Home / 319,586.43-441,018.67-176,346.57

Finding the Fourth Proportional to 319,586.43, 441,018.67 and 176,346.57

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Solution

The fourth proportional to 319,586.43, 441,018.67 and 176,346.57 is: 243,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,586.43 : 441,018.67 = 176,346.57 : x
  2. Step 2: Convert to fraction form
    319,586.43/441,018.67 = 176,346.57/x
  3. Step 3: Cross multiply
    319,586.43x = 441,018.67 × 176,346.57
  4. Step 4: Simplify right side
    319,586.43x = 77,772,129,760.46
  5. Step 5: Solve for x
    x = 77,772,129,760.46/319,586.43
  6. Step 6: Final answer
    x = 243,352.42

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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.