Home / 175,459.96-263,194.80-57,138.40

Finding the Fourth Proportional to 175,459.96, 263,194.80 and 57,138.40

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Solution

The fourth proportional to 175,459.96, 263,194.80 and 57,138.40 is: 85,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,459.96 : 263,194.80 = 57,138.40 : x
  2. Step 2: Convert to fraction form
    175,459.96/263,194.80 = 57,138.40/x
  3. Step 3: Cross multiply
    175,459.96x = 263,194.80 × 57,138.40
  4. Step 4: Simplify right side
    175,459.96x = 15,038,529,760.32
  5. Step 5: Solve for x
    x = 15,038,529,760.32/175,459.96
  6. Step 6: Final answer
    x = 85,709.18

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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.