Home / 382,203.39-527,446.58-210,128.82

Finding the Fourth Proportional to 382,203.39, 527,446.58 and 210,128.82

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Solution

The fourth proportional to 382,203.39, 527,446.58 and 210,128.82 is: 289,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,203.39 : 527,446.58 = 210,128.82 : x
  2. Step 2: Convert to fraction form
    382,203.39/527,446.58 = 210,128.82/x
  3. Step 3: Cross multiply
    382,203.39x = 527,446.58 × 210,128.82
  4. Step 4: Simplify right side
    382,203.39x = 110,831,725,356.53
  5. Step 5: Solve for x
    x = 110,831,725,356.53/382,203.39
  6. Step 6: Final answer
    x = 289,981.01

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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.