Home / 245,079.10-367,618.65-78,867.10

Finding the Fourth Proportional to 245,079.10, 367,618.65 and 78,867.10

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Solution

The fourth proportional to 245,079.10, 367,618.65 and 78,867.10 is: 118,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,079.10 : 367,618.65 = 78,867.10 : x
  2. Step 2: Convert to fraction form
    245,079.10/367,618.65 = 78,867.10/x
  3. Step 3: Cross multiply
    245,079.10x = 367,618.65 × 78,867.10
  4. Step 4: Simplify right side
    245,079.10x = 28,993,016,831.42
  5. Step 5: Solve for x
    x = 28,993,016,831.42/245,079.10
  6. Step 6: Final answer
    x = 118,300.65

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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.