Home / 132,352.40-198,417-57,416.12

Finding the Fourth Proportional to 132,352.40, 198,417 and 57,416.12

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Solution

The fourth proportional to 132,352.40, 198,417 and 57,416.12 is: 86,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.40 : 198,417 = 57,416.12 : x
  2. Step 2: Convert to fraction form
    132,352.40/198,417 = 57,416.12/x
  3. Step 3: Cross multiply
    132,352.40x = 198,417 × 57,416.12
  4. Step 4: Simplify right side
    132,352.40x = 11,392,334,282.04
  5. Step 5: Solve for x
    x = 11,392,334,282.04/132,352.40
  6. Step 6: Final answer
    x = 86,075.77

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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.