Home / 109,849.80-164,580.30-102,851.40

Finding the Fourth Proportional to 109,849.80, 164,580.30 and 102,851.40

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Solution

The fourth proportional to 109,849.80, 164,580.30 and 102,851.40 is: 154,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,849.80 : 164,580.30 = 102,851.40 : x
  2. Step 2: Convert to fraction form
    109,849.80/164,580.30 = 102,851.40/x
  3. Step 3: Cross multiply
    109,849.80x = 164,580.30 × 102,851.40
  4. Step 4: Simplify right side
    109,849.80x = 16,927,314,267.42
  5. Step 5: Solve for x
    x = 16,927,314,267.42/109,849.80
  6. Step 6: Final answer
    x = 154,095.08

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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.