Home / 140,497.69-193,882.86-76,834.12

Finding the Fourth Proportional to 140,497.69, 193,882.86 and 76,834.12

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Solution

The fourth proportional to 140,497.69, 193,882.86 and 76,834.12 is: 106,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,497.69 : 193,882.86 = 76,834.12 : x
  2. Step 2: Convert to fraction form
    140,497.69/193,882.86 = 76,834.12/x
  3. Step 3: Cross multiply
    140,497.69x = 193,882.86 × 76,834.12
  4. Step 4: Simplify right side
    140,497.69x = 14,896,818,931.18
  5. Step 5: Solve for x
    x = 14,896,818,931.18/140,497.69
  6. Step 6: Final answer
    x = 106,028.92

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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.