Home / 150,865.53-208,128.45-93,489.58

Finding the Fourth Proportional to 150,865.53, 208,128.45 and 93,489.58

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Solution

The fourth proportional to 150,865.53, 208,128.45 and 93,489.58 is: 128,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,865.53 : 208,128.45 = 93,489.58 : x
  2. Step 2: Convert to fraction form
    150,865.53/208,128.45 = 93,489.58/x
  3. Step 3: Cross multiply
    150,865.53x = 208,128.45 × 93,489.58
  4. Step 4: Simplify right side
    150,865.53x = 19,457,841,376.55
  5. Step 5: Solve for x
    x = 19,457,841,376.55/150,865.53
  6. Step 6: Final answer
    x = 128,974.73

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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.