Home / 132,902.88-199,345.68-70,608.48

Finding the Fourth Proportional to 132,902.88, 199,345.68 and 70,608.48

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Solution

The fourth proportional to 132,902.88, 199,345.68 and 70,608.48 is: 105,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,902.88 : 199,345.68 = 70,608.48 : x
  2. Step 2: Convert to fraction form
    132,902.88/199,345.68 = 70,608.48/x
  3. Step 3: Cross multiply
    132,902.88x = 199,345.68 × 70,608.48
  4. Step 4: Simplify right side
    132,902.88x = 14,075,495,459.37
  5. Step 5: Solve for x
    x = 14,075,495,459.37/132,902.88
  6. Step 6: Final answer
    x = 105,908.13

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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.