Home / 291,905.33-402,829.17-157,769.33

Finding the Fourth Proportional to 291,905.33, 402,829.17 and 157,769.33

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Solution

The fourth proportional to 291,905.33, 402,829.17 and 157,769.33 is: 217,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,905.33 : 402,829.17 = 157,769.33 : x
  2. Step 2: Convert to fraction form
    291,905.33/402,829.17 = 157,769.33/x
  3. Step 3: Cross multiply
    291,905.33x = 402,829.17 × 157,769.33
  4. Step 4: Simplify right side
    291,905.33x = 63,554,088,255.36
  5. Step 5: Solve for x
    x = 63,554,088,255.36/291,905.33
  6. Step 6: Final answer
    x = 217,721.58

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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.