Home / 164,711.40-247,107.60-46,381.20

Finding the Fourth Proportional to 164,711.40, 247,107.60 and 46,381.20

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Solution

The fourth proportional to 164,711.40, 247,107.60 and 46,381.20 is: 69,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,711.40 : 247,107.60 = 46,381.20 : x
  2. Step 2: Convert to fraction form
    164,711.40/247,107.60 = 46,381.20/x
  3. Step 3: Cross multiply
    164,711.40x = 247,107.60 × 46,381.20
  4. Step 4: Simplify right side
    164,711.40x = 11,461,147,017.12
  5. Step 5: Solve for x
    x = 11,461,147,017.12/164,711.40
  6. Step 6: Final answer
    x = 69,583.20

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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.