Home / 457,156.59-685,799.01-190,856.54

Finding the Fourth Proportional to 457,156.59, 685,799.01 and 190,856.54

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Solution

The fourth proportional to 457,156.59, 685,799.01 and 190,856.54 is: 286,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,156.59 : 685,799.01 = 190,856.54 : x
  2. Step 2: Convert to fraction form
    457,156.59/685,799.01 = 190,856.54/x
  3. Step 3: Cross multiply
    457,156.59x = 685,799.01 × 190,856.54
  4. Step 4: Simplify right side
    457,156.59x = 130,889,226,184.03
  5. Step 5: Solve for x
    x = 130,889,226,184.03/457,156.59
  6. Step 6: Final answer
    x = 286,311.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.