Home / 186,971.58-280,569.78-67,019.22

Finding the Fourth Proportional to 186,971.58, 280,569.78 and 67,019.22

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Solution

The fourth proportional to 186,971.58, 280,569.78 and 67,019.22 is: 100,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,971.58 : 280,569.78 = 67,019.22 : x
  2. Step 2: Convert to fraction form
    186,971.58/280,569.78 = 67,019.22/x
  3. Step 3: Cross multiply
    186,971.58x = 280,569.78 × 67,019.22
  4. Step 4: Simplify right side
    186,971.58x = 18,803,567,811.17
  5. Step 5: Solve for x
    x = 18,803,567,811.17/186,971.58
  6. Step 6: Final answer
    x = 100,569.12

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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.