Home / 147,706.96-203,859-93,935.92

Finding the Fourth Proportional to 147,706.96, 203,859 and 93,935.92

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Solution

The fourth proportional to 147,706.96, 203,859 and 93,935.92 is: 129,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,706.96 : 203,859 = 93,935.92 : x
  2. Step 2: Convert to fraction form
    147,706.96/203,859 = 93,935.92/x
  3. Step 3: Cross multiply
    147,706.96x = 203,859 × 93,935.92
  4. Step 4: Simplify right side
    147,706.96x = 19,149,682,715.28
  5. Step 5: Solve for x
    x = 19,149,682,715.28/147,706.96
  6. Step 6: Final answer
    x = 129,646.45

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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.