Home / 186,664.77-280,038.63-53,534.79

Finding the Fourth Proportional to 186,664.77, 280,038.63 and 53,534.79

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Solution

The fourth proportional to 186,664.77, 280,038.63 and 53,534.79 is: 80,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,664.77 : 280,038.63 = 53,534.79 : x
  2. Step 2: Convert to fraction form
    186,664.77/280,038.63 = 53,534.79/x
  3. Step 3: Cross multiply
    186,664.77x = 280,038.63 × 53,534.79
  4. Step 4: Simplify right side
    186,664.77x = 14,991,809,449.69
  5. Step 5: Solve for x
    x = 14,991,809,449.69/186,664.77
  6. Step 6: Final answer
    x = 80,314.08

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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.