Home / 186,029.58-279,038.10-80,848.56

Finding the Fourth Proportional to 186,029.58, 279,038.10 and 80,848.56

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Solution

The fourth proportional to 186,029.58, 279,038.10 and 80,848.56 is: 121,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,029.58 : 279,038.10 = 80,848.56 : x
  2. Step 2: Convert to fraction form
    186,029.58/279,038.10 = 80,848.56/x
  3. Step 3: Cross multiply
    186,029.58x = 279,038.10 × 80,848.56
  4. Step 4: Simplify right side
    186,029.58x = 22,559,828,570.14
  5. Step 5: Solve for x
    x = 22,559,828,570.14/186,029.58
  6. Step 6: Final answer
    x = 121,270.12

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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.