Home / 109,355.07-149,925.79-107,362.17

Finding the Fourth Proportional to 109,355.07, 149,925.79 and 107,362.17

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Solution

The fourth proportional to 109,355.07, 149,925.79 and 107,362.17 is: 147,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,355.07 : 149,925.79 = 107,362.17 : x
  2. Step 2: Convert to fraction form
    109,355.07/149,925.79 = 107,362.17/x
  3. Step 3: Cross multiply
    109,355.07x = 149,925.79 × 107,362.17
  4. Step 4: Simplify right side
    109,355.07x = 16,096,357,616.55
  5. Step 5: Solve for x
    x = 16,096,357,616.55/109,355.07
  6. Step 6: Final answer
    x = 147,193.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.