Home / 132,592.88-198,707.52-70,138.64

Finding the Fourth Proportional to 132,592.88, 198,707.52 and 70,138.64

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Solution

The fourth proportional to 132,592.88, 198,707.52 and 70,138.64 is: 105,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,592.88 : 198,707.52 = 70,138.64 : x
  2. Step 2: Convert to fraction form
    132,592.88/198,707.52 = 70,138.64/x
  3. Step 3: Cross multiply
    132,592.88x = 198,707.52 × 70,138.64
  4. Step 4: Simplify right side
    132,592.88x = 13,937,075,210.57
  5. Step 5: Solve for x
    x = 13,937,075,210.57/132,592.88
  6. Step 6: Final answer
    x = 105,111.79

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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.