Home / 141,203.84-211,806.29-99,271.62

Finding the Fourth Proportional to 141,203.84, 211,806.29 and 99,271.62

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Solution

The fourth proportional to 141,203.84, 211,806.29 and 99,271.62 is: 148,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203.84 : 211,806.29 = 99,271.62 : x
  2. Step 2: Convert to fraction form
    141,203.84/211,806.29 = 99,271.62/x
  3. Step 3: Cross multiply
    141,203.84x = 211,806.29 × 99,271.62
  4. Step 4: Simplify right side
    141,203.84x = 21,026,353,782.67
  5. Step 5: Solve for x
    x = 21,026,353,782.67/141,203.84
  6. Step 6: Final answer
    x = 148,907.81

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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.