Home / 314,835.07-434,472.53-178,869.24

Finding the Fourth Proportional to 314,835.07, 434,472.53 and 178,869.24

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Solution

The fourth proportional to 314,835.07, 434,472.53 and 178,869.24 is: 246,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,835.07 : 434,472.53 = 178,869.24 : x
  2. Step 2: Convert to fraction form
    314,835.07/434,472.53 = 178,869.24/x
  3. Step 3: Cross multiply
    314,835.07x = 434,472.53 × 178,869.24
  4. Step 4: Simplify right side
    314,835.07x = 77,713,770,634.89
  5. Step 5: Solve for x
    x = 77,713,770,634.89/314,835.07
  6. Step 6: Final answer
    x = 246,839.63

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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.