Home / 186,973.75-280,347.83-87,156.35

Finding the Fourth Proportional to 186,973.75, 280,347.83 and 87,156.35

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Solution

The fourth proportional to 186,973.75, 280,347.83 and 87,156.35 is: 130,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,973.75 : 280,347.83 = 87,156.35 : x
  2. Step 2: Convert to fraction form
    186,973.75/280,347.83 = 87,156.35/x
  3. Step 3: Cross multiply
    186,973.75x = 280,347.83 × 87,156.35
  4. Step 4: Simplify right side
    186,973.75x = 24,434,093,593.22
  5. Step 5: Solve for x
    x = 24,434,093,593.22/186,973.75
  6. Step 6: Final answer
    x = 130,681.95

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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.