Home / 117,623.60-162,317.76-63,907.40

Finding the Fourth Proportional to 117,623.60, 162,317.76 and 63,907.40

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Solution

The fourth proportional to 117,623.60, 162,317.76 and 63,907.40 is: 88,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,623.60 : 162,317.76 = 63,907.40 : x
  2. Step 2: Convert to fraction form
    117,623.60/162,317.76 = 63,907.40/x
  3. Step 3: Cross multiply
    117,623.60x = 162,317.76 × 63,907.40
  4. Step 4: Simplify right side
    117,623.60x = 10,373,306,015.42
  5. Step 5: Solve for x
    x = 10,373,306,015.42/117,623.60
  6. Step 6: Final answer
    x = 88,190.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.