Home / 382,263.12-527,477.16-210,152.76

Finding the Fourth Proportional to 382,263.12, 527,477.16 and 210,152.76

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Solution

The fourth proportional to 382,263.12, 527,477.16 and 210,152.76 is: 289,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,263.12 : 527,477.16 = 210,152.76 : x
  2. Step 2: Convert to fraction form
    382,263.12/527,477.16 = 210,152.76/x
  3. Step 3: Cross multiply
    382,263.12x = 527,477.16 × 210,152.76
  4. Step 4: Simplify right side
    382,263.12x = 110,850,781,010.96
  5. Step 5: Solve for x
    x = 110,850,781,010.96/382,263.12
  6. Step 6: Final answer
    x = 289,985.55

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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.