Home / 460,076.40-689,895.84-160,520.72

Finding the Fourth Proportional to 460,076.40, 689,895.84 and 160,520.72

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Solution

The fourth proportional to 460,076.40, 689,895.84 and 160,520.72 is: 240,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,076.40 : 689,895.84 = 160,520.72 : x
  2. Step 2: Convert to fraction form
    460,076.40/689,895.84 = 160,520.72/x
  3. Step 3: Cross multiply
    460,076.40x = 689,895.84 × 160,520.72
  4. Step 4: Simplify right side
    460,076.40x = 110,742,576,961.81
  5. Step 5: Solve for x
    x = 110,742,576,961.81/460,076.40
  6. Step 6: Final answer
    x = 240,704.75

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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.