Home / 186,272.86-279,450.95-67,944.20

Finding the Fourth Proportional to 186,272.86, 279,450.95 and 67,944.20

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Solution

The fourth proportional to 186,272.86, 279,450.95 and 67,944.20 is: 101,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,272.86 : 279,450.95 = 67,944.20 : x
  2. Step 2: Convert to fraction form
    186,272.86/279,450.95 = 67,944.20/x
  3. Step 3: Cross multiply
    186,272.86x = 279,450.95 × 67,944.20
  4. Step 4: Simplify right side
    186,272.86x = 18,987,069,500.01
  5. Step 5: Solve for x
    x = 18,987,069,500.01/186,272.86
  6. Step 6: Final answer
    x = 101,931.49

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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.