Home / 389,200.52-537,096.48-210,352.52

Finding the Fourth Proportional to 389,200.52, 537,096.48 and 210,352.52

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Solution

The fourth proportional to 389,200.52, 537,096.48 and 210,352.52 is: 290,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,200.52 : 537,096.48 = 210,352.52 : x
  2. Step 2: Convert to fraction form
    389,200.52/537,096.48 = 210,352.52/x
  3. Step 3: Cross multiply
    389,200.52x = 537,096.48 × 210,352.52
  4. Step 4: Simplify right side
    389,200.52x = 112,979,598,051.13
  5. Step 5: Solve for x
    x = 112,979,598,051.13/389,200.52
  6. Step 6: Final answer
    x = 290,286.35

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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.