Home / 109,722.30-164,583.45-103,598.70

Finding the Fourth Proportional to 109,722.30, 164,583.45 and 103,598.70

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Solution

The fourth proportional to 109,722.30, 164,583.45 and 103,598.70 is: 155,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,722.30 : 164,583.45 = 103,598.70 : x
  2. Step 2: Convert to fraction form
    109,722.30/164,583.45 = 103,598.70/x
  3. Step 3: Cross multiply
    109,722.30x = 164,583.45 × 103,598.70
  4. Step 4: Simplify right side
    109,722.30x = 17,050,631,461.52
  5. Step 5: Solve for x
    x = 17,050,631,461.52/109,722.30
  6. Step 6: Final answer
    x = 155,398.05

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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.