Home / 109,652.23-164,543.95-100,729.27

Finding the Fourth Proportional to 109,652.23, 164,543.95 and 100,729.27

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Solution

The fourth proportional to 109,652.23, 164,543.95 and 100,729.27 is: 151,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,652.23 : 164,543.95 = 100,729.27 : x
  2. Step 2: Convert to fraction form
    109,652.23/164,543.95 = 100,729.27/x
  3. Step 3: Cross multiply
    109,652.23x = 164,543.95 × 100,729.27
  4. Step 4: Simplify right side
    109,652.23x = 16,574,391,966.42
  5. Step 5: Solve for x
    x = 16,574,391,966.42/109,652.23
  6. Step 6: Final answer
    x = 151,154.17

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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.