Home / 330,831.40-496,247.10-190,863.40

Finding the Fourth Proportional to 330,831.40, 496,247.10 and 190,863.40

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Solution

The fourth proportional to 330,831.40, 496,247.10 and 190,863.40 is: 286,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,831.40 : 496,247.10 = 190,863.40 : x
  2. Step 2: Convert to fraction form
    330,831.40/496,247.10 = 190,863.40/x
  3. Step 3: Cross multiply
    330,831.40x = 496,247.10 × 190,863.40
  4. Step 4: Simplify right side
    330,831.40x = 94,715,408,746.14
  5. Step 5: Solve for x
    x = 94,715,408,746.14/330,831.40
  6. Step 6: Final answer
    x = 286,295.10

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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.