Home / 109,465.02-164,199.15-72,263.34

Finding the Fourth Proportional to 109,465.02, 164,199.15 and 72,263.34

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Solution

The fourth proportional to 109,465.02, 164,199.15 and 72,263.34 is: 108,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,465.02 : 164,199.15 = 72,263.34 : x
  2. Step 2: Convert to fraction form
    109,465.02/164,199.15 = 72,263.34/x
  3. Step 3: Cross multiply
    109,465.02x = 164,199.15 × 72,263.34
  4. Step 4: Simplify right side
    109,465.02x = 11,865,579,004.16
  5. Step 5: Solve for x
    x = 11,865,579,004.16/109,465.02
  6. Step 6: Final answer
    x = 108,396.08

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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.