Home / 386,195.04-532,941.12-211,762.80

Finding the Fourth Proportional to 386,195.04, 532,941.12 and 211,762.80

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Solution

The fourth proportional to 386,195.04, 532,941.12 and 211,762.80 is: 292,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,195.04 : 532,941.12 = 211,762.80 : x
  2. Step 2: Convert to fraction form
    386,195.04/532,941.12 = 211,762.80/x
  3. Step 3: Cross multiply
    386,195.04x = 532,941.12 × 211,762.80
  4. Step 4: Simplify right side
    386,195.04x = 112,857,103,806.34
  5. Step 5: Solve for x
    x = 112,857,103,806.34/386,195.04
  6. Step 6: Final answer
    x = 292,228.26

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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.