Home / 255,214.50-382,792.57-68,240.58

Finding the Fourth Proportional to 255,214.50, 382,792.57 and 68,240.58

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Solution

The fourth proportional to 255,214.50, 382,792.57 and 68,240.58 is: 102,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,214.50 : 382,792.57 = 68,240.58 : x
  2. Step 2: Convert to fraction form
    255,214.50/382,792.57 = 68,240.58/x
  3. Step 3: Cross multiply
    255,214.50x = 382,792.57 × 68,240.58
  4. Step 4: Simplify right side
    255,214.50x = 26,121,987,543.63
  5. Step 5: Solve for x
    x = 26,121,987,543.63/255,214.50
  6. Step 6: Final answer
    x = 102,353.07

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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.