Home / 230,715.84-346,071.72-72,944.40

Finding the Fourth Proportional to 230,715.84, 346,071.72 and 72,944.40

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Solution

The fourth proportional to 230,715.84, 346,071.72 and 72,944.40 is: 109,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,715.84 : 346,071.72 = 72,944.40 : x
  2. Step 2: Convert to fraction form
    230,715.84/346,071.72 = 72,944.40/x
  3. Step 3: Cross multiply
    230,715.84x = 346,071.72 × 72,944.40
  4. Step 4: Simplify right side
    230,715.84x = 25,243,993,972.37
  5. Step 5: Solve for x
    x = 25,243,993,972.37/230,715.84
  6. Step 6: Final answer
    x = 109,415.96

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1.5x scale

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.