Home / 186,669.16-280,017.78-53,548.36

Finding the Fourth Proportional to 186,669.16, 280,017.78 and 53,548.36

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Solution

The fourth proportional to 186,669.16, 280,017.78 and 53,548.36 is: 80,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,669.16 : 280,017.78 = 53,548.36 : x
  2. Step 2: Convert to fraction form
    186,669.16/280,017.78 = 53,548.36/x
  3. Step 3: Cross multiply
    186,669.16x = 280,017.78 × 53,548.36
  4. Step 4: Simplify right side
    186,669.16x = 14,994,492,889.84
  5. Step 5: Solve for x
    x = 14,994,492,889.84/186,669.16
  6. Step 6: Final answer
    x = 80,326.57

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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.