Home / 115,926.40-173,889.60-84,822.40

Finding the Fourth Proportional to 115,926.40, 173,889.60 and 84,822.40

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Solution

The fourth proportional to 115,926.40, 173,889.60 and 84,822.40 is: 127,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,926.40 : 173,889.60 = 84,822.40 : x
  2. Step 2: Convert to fraction form
    115,926.40/173,889.60 = 84,822.40/x
  3. Step 3: Cross multiply
    115,926.40x = 173,889.60 × 84,822.40
  4. Step 4: Simplify right side
    115,926.40x = 14,749,733,207.04
  5. Step 5: Solve for x
    x = 14,749,733,207.04/115,926.40
  6. Step 6: Final answer
    x = 127,233.60

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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.