Home / 291,836.76-402,740.90-164,512.37

Finding the Fourth Proportional to 291,836.76, 402,740.90 and 164,512.37

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Solution

The fourth proportional to 291,836.76, 402,740.90 and 164,512.37 is: 227,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,836.76 : 402,740.90 = 164,512.37 : x
  2. Step 2: Convert to fraction form
    291,836.76/402,740.90 = 164,512.37/x
  3. Step 3: Cross multiply
    291,836.76x = 402,740.90 × 164,512.37
  4. Step 4: Simplify right side
    291,836.76x = 66,255,857,118.67
  5. Step 5: Solve for x
    x = 66,255,857,118.67/291,836.76
  6. Step 6: Final answer
    x = 227,030.54

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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.