Home / 141,647.56-212,501.66-57,406.76

Finding the Fourth Proportional to 141,647.56, 212,501.66 and 57,406.76

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Solution

The fourth proportional to 141,647.56, 212,501.66 and 57,406.76 is: 86,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,647.56 : 212,501.66 = 57,406.76 : x
  2. Step 2: Convert to fraction form
    141,647.56/212,501.66 = 57,406.76/x
  3. Step 3: Cross multiply
    141,647.56x = 212,501.66 × 57,406.76
  4. Step 4: Simplify right side
    141,647.56x = 12,199,031,795.22
  5. Step 5: Solve for x
    x = 12,199,031,795.22/141,647.56
  6. Step 6: Final answer
    x = 86,122.43

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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.