Home / 124,597.10-186,939.39-77,795.30

Finding the Fourth Proportional to 124,597.10, 186,939.39 and 77,795.30

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Solution

The fourth proportional to 124,597.10, 186,939.39 and 77,795.30 is: 116,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,597.10 : 186,939.39 = 77,795.30 : x
  2. Step 2: Convert to fraction form
    124,597.10/186,939.39 = 77,795.30/x
  3. Step 3: Cross multiply
    124,597.10x = 186,939.39 × 77,795.30
  4. Step 4: Simplify right side
    124,597.10x = 14,543,006,685.95
  5. Step 5: Solve for x
    x = 14,543,006,685.95/124,597.10
  6. Step 6: Final answer
    x = 116,720.26

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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.