Home / 186,901.88-280,399.59-53,779.19

Finding the Fourth Proportional to 186,901.88, 280,399.59 and 53,779.19

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Solution

The fourth proportional to 186,901.88, 280,399.59 and 53,779.19 is: 80,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,901.88 : 280,399.59 = 53,779.19 : x
  2. Step 2: Convert to fraction form
    186,901.88/280,399.59 = 53,779.19/x
  3. Step 3: Cross multiply
    186,901.88x = 280,399.59 × 53,779.19
  4. Step 4: Simplify right side
    186,901.88x = 15,079,661,424.53
  5. Step 5: Solve for x
    x = 15,079,661,424.53/186,901.88
  6. Step 6: Final answer
    x = 80,682.24

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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.