Home / 173,428.35-260,016.36-117,128.89

Finding the Fourth Proportional to 173,428.35, 260,016.36 and 117,128.89

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Solution

The fourth proportional to 173,428.35, 260,016.36 and 117,128.89 is: 175,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,428.35 : 260,016.36 = 117,128.89 : x
  2. Step 2: Convert to fraction form
    173,428.35/260,016.36 = 117,128.89/x
  3. Step 3: Cross multiply
    173,428.35x = 260,016.36 × 117,128.89
  4. Step 4: Simplify right side
    173,428.35x = 30,455,427,628.64
  5. Step 5: Solve for x
    x = 30,455,427,628.64/173,428.35
  6. Step 6: Final answer
    x = 175,608.13

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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.