Home / 215,003.52-296,708.40-118,211.46

Finding the Fourth Proportional to 215,003.52, 296,708.40 and 118,211.46

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Solution

The fourth proportional to 215,003.52, 296,708.40 and 118,211.46 is: 163,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,003.52 : 296,708.40 = 118,211.46 : x
  2. Step 2: Convert to fraction form
    215,003.52/296,708.40 = 118,211.46/x
  3. Step 3: Cross multiply
    215,003.52x = 296,708.40 × 118,211.46
  4. Step 4: Simplify right side
    215,003.52x = 35,074,333,158.26
  5. Step 5: Solve for x
    x = 35,074,333,158.26/215,003.52
  6. Step 6: Final answer
    x = 163,133.76

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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.