Home / 255,931.85-353,184.91-141,217.63

Finding the Fourth Proportional to 255,931.85, 353,184.91 and 141,217.63

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Solution

The fourth proportional to 255,931.85, 353,184.91 and 141,217.63 is: 194,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,931.85 : 353,184.91 = 141,217.63 : x
  2. Step 2: Convert to fraction form
    255,931.85/353,184.91 = 141,217.63/x
  3. Step 3: Cross multiply
    255,931.85x = 353,184.91 × 141,217.63
  4. Step 4: Simplify right side
    255,931.85x = 49,875,934,705.96
  5. Step 5: Solve for x
    x = 49,875,934,705.96/255,931.85
  6. Step 6: Final answer
    x = 194,879.75

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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.