Home / 100,977.40-151,466.10-34,411.60

Finding the Fourth Proportional to 100,977.40, 151,466.10 and 34,411.60

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Solution

The fourth proportional to 100,977.40, 151,466.10 and 34,411.60 is: 51,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,977.40 : 151,466.10 = 34,411.60 : x
  2. Step 2: Convert to fraction form
    100,977.40/151,466.10 = 34,411.60/x
  3. Step 3: Cross multiply
    100,977.40x = 151,466.10 × 34,411.60
  4. Step 4: Simplify right side
    100,977.40x = 5,212,190,846.76
  5. Step 5: Solve for x
    x = 5,212,190,846.76/100,977.40
  6. Step 6: Final answer
    x = 51,617.40

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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.