Home / 115,869.60-173,804.40-36,989.60

Finding the Fourth Proportional to 115,869.60, 173,804.40 and 36,989.60

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Solution

The fourth proportional to 115,869.60, 173,804.40 and 36,989.60 is: 55,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,869.60 : 173,804.40 = 36,989.60 : x
  2. Step 2: Convert to fraction form
    115,869.60/173,804.40 = 36,989.60/x
  3. Step 3: Cross multiply
    115,869.60x = 173,804.40 × 36,989.60
  4. Step 4: Simplify right side
    115,869.60x = 6,428,955,234.24
  5. Step 5: Solve for x
    x = 6,428,955,234.24/115,869.60
  6. Step 6: Final answer
    x = 55,484.40

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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.