Home / 255,971.40-383,658.08-192,587.84

Finding the Fourth Proportional to 255,971.40, 383,658.08 and 192,587.84

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Solution

The fourth proportional to 255,971.40, 383,658.08 and 192,587.84 is: 288,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,971.40 : 383,658.08 = 192,587.84 : x
  2. Step 2: Convert to fraction form
    255,971.40/383,658.08 = 192,587.84/x
  3. Step 3: Cross multiply
    255,971.40x = 383,658.08 × 192,587.84
  4. Step 4: Simplify right side
    255,971.40x = 73,887,880,925.75
  5. Step 5: Solve for x
    x = 73,887,880,925.75/255,971.40
  6. Step 6: Final answer
    x = 288,656.78

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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.