Home / 128,626.95-193,006.23-61,235.15

Finding the Fourth Proportional to 128,626.95, 193,006.23 and 61,235.15

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Solution

The fourth proportional to 128,626.95, 193,006.23 and 61,235.15 is: 91,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,626.95 : 193,006.23 = 61,235.15 : x
  2. Step 2: Convert to fraction form
    128,626.95/193,006.23 = 61,235.15/x
  3. Step 3: Cross multiply
    128,626.95x = 193,006.23 × 61,235.15
  4. Step 4: Simplify right side
    128,626.95x = 11,818,765,433.36
  5. Step 5: Solve for x
    x = 11,818,765,433.36/128,626.95
  6. Step 6: Final answer
    x = 91,884.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.