Home / 215,040.06-296,761.73-118,238.90

Finding the Fourth Proportional to 215,040.06, 296,761.73 and 118,238.90

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Solution

The fourth proportional to 215,040.06, 296,761.73 and 118,238.90 is: 163,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,040.06 : 296,761.73 = 118,238.90 : x
  2. Step 2: Convert to fraction form
    215,040.06/296,761.73 = 118,238.90/x
  3. Step 3: Cross multiply
    215,040.06x = 296,761.73 × 118,238.90
  4. Step 4: Simplify right side
    215,040.06x = 35,088,778,442.29
  5. Step 5: Solve for x
    x = 35,088,778,442.29/215,040.06
  6. Step 6: Final answer
    x = 163,173.22

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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.