Home / 389,083.23-536,934.85-210,235.23

Finding the Fourth Proportional to 389,083.23, 536,934.85 and 210,235.23

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Solution

The fourth proportional to 389,083.23, 536,934.85 and 210,235.23 is: 290,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,083.23 : 536,934.85 = 210,235.23 : x
  2. Step 2: Convert to fraction form
    389,083.23/536,934.85 = 210,235.23/x
  3. Step 3: Cross multiply
    389,083.23x = 536,934.85 × 210,235.23
  4. Step 4: Simplify right side
    389,083.23x = 112,882,621,159.18
  5. Step 5: Solve for x
    x = 112,882,621,159.18/389,083.23
  6. Step 6: Final answer
    x = 290,124.61

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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.