Home / 186,280.48-279,336.65-53,129.08

Finding the Fourth Proportional to 186,280.48, 279,336.65 and 53,129.08

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Solution

The fourth proportional to 186,280.48, 279,336.65 and 53,129.08 is: 79,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,280.48 : 279,336.65 = 53,129.08 : x
  2. Step 2: Convert to fraction form
    186,280.48/279,336.65 = 53,129.08/x
  3. Step 3: Cross multiply
    186,280.48x = 279,336.65 × 53,129.08
  4. Step 4: Simplify right side
    186,280.48x = 14,840,899,224.78
  5. Step 5: Solve for x
    x = 14,840,899,224.78/186,280.48
  6. Step 6: Final answer
    x = 79,669.64

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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.