Home / 115,929.40-173,902.20-45,799.60

Finding the Fourth Proportional to 115,929.40, 173,902.20 and 45,799.60

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Solution

The fourth proportional to 115,929.40, 173,902.20 and 45,799.60 is: 68,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,929.40 : 173,902.20 = 45,799.60 : x
  2. Step 2: Convert to fraction form
    115,929.40/173,902.20 = 45,799.60/x
  3. Step 3: Cross multiply
    115,929.40x = 173,902.20 × 45,799.60
  4. Step 4: Simplify right side
    115,929.40x = 7,964,651,199.12
  5. Step 5: Solve for x
    x = 7,964,651,199.12/115,929.40
  6. Step 6: Final answer
    x = 68,702.60

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1.5x scale

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.