Home / 372,836.70-514,527.53-211,686.39

Finding the Fourth Proportional to 372,836.70, 514,527.53 and 211,686.39

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Solution

The fourth proportional to 372,836.70, 514,527.53 and 211,686.39 is: 292,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,836.70 : 514,527.53 = 211,686.39 : x
  2. Step 2: Convert to fraction form
    372,836.70/514,527.53 = 211,686.39/x
  3. Step 3: Cross multiply
    372,836.70x = 514,527.53 × 211,686.39
  4. Step 4: Simplify right side
    372,836.70x = 108,918,474,322.89
  5. Step 5: Solve for x
    x = 108,918,474,322.89/372,836.70
  6. Step 6: Final answer
    x = 292,134.53

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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.