Home / 140,182.08-193,454.64-76,519.44

Finding the Fourth Proportional to 140,182.08, 193,454.64 and 76,519.44

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Solution

The fourth proportional to 140,182.08, 193,454.64 and 76,519.44 is: 105,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,182.08 : 193,454.64 = 76,519.44 : x
  2. Step 2: Convert to fraction form
    140,182.08/193,454.64 = 76,519.44/x
  3. Step 3: Cross multiply
    140,182.08x = 193,454.64 × 76,519.44
  4. Step 4: Simplify right side
    140,182.08x = 14,803,040,718.20
  5. Step 5: Solve for x
    x = 14,803,040,718.20/140,182.08
  6. Step 6: Final answer
    x = 105,598.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.