Home / 215,150.60-296,915.04-118,358.52

Finding the Fourth Proportional to 215,150.60, 296,915.04 and 118,358.52

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Solution

The fourth proportional to 215,150.60, 296,915.04 and 118,358.52 is: 163,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,150.60 : 296,915.04 = 118,358.52 : x
  2. Step 2: Convert to fraction form
    215,150.60/296,915.04 = 118,358.52/x
  3. Step 3: Cross multiply
    215,150.60x = 296,915.04 × 118,358.52
  4. Step 4: Simplify right side
    215,150.60x = 35,142,424,700.14
  5. Step 5: Solve for x
    x = 35,142,424,700.14/215,150.60
  6. Step 6: Final answer
    x = 163,338.73

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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.