Home / 215,117.72-296,838.39-119,618.72

Finding the Fourth Proportional to 215,117.72, 296,838.39 and 119,618.72

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Solution

The fourth proportional to 215,117.72, 296,838.39 and 119,618.72 is: 165,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,117.72 : 296,838.39 = 119,618.72 : x
  2. Step 2: Convert to fraction form
    215,117.72/296,838.39 = 119,618.72/x
  3. Step 3: Cross multiply
    215,117.72x = 296,838.39 × 119,618.72
  4. Step 4: Simplify right side
    215,117.72x = 35,507,428,258.66
  5. Step 5: Solve for x
    x = 35,507,428,258.66/215,117.72
  6. Step 6: Final answer
    x = 165,060.45

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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.