Home / 115,795.08-173,680.80-78,594.18

Finding the Fourth Proportional to 115,795.08, 173,680.80 and 78,594.18

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Solution

The fourth proportional to 115,795.08, 173,680.80 and 78,594.18 is: 117,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,795.08 : 173,680.80 = 78,594.18 : x
  2. Step 2: Convert to fraction form
    115,795.08/173,680.80 = 78,594.18/x
  3. Step 3: Cross multiply
    115,795.08x = 173,680.80 × 78,594.18
  4. Step 4: Simplify right side
    115,795.08x = 13,650,300,057.74
  5. Step 5: Solve for x
    x = 13,650,300,057.74/115,795.08
  6. Step 6: Final answer
    x = 117,883.25

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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.