Home / 115,799.60-173,569.80-65,903.60

Finding the Fourth Proportional to 115,799.60, 173,569.80 and 65,903.60

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Solution

The fourth proportional to 115,799.60, 173,569.80 and 65,903.60 is: 98,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,799.60 : 173,569.80 = 65,903.60 : x
  2. Step 2: Convert to fraction form
    115,799.60/173,569.80 = 65,903.60/x
  3. Step 3: Cross multiply
    115,799.60x = 173,569.80 × 65,903.60
  4. Step 4: Simplify right side
    115,799.60x = 11,438,874,671.28
  5. Step 5: Solve for x
    x = 11,438,874,671.28/115,799.60
  6. Step 6: Final answer
    x = 98,781.64

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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.