Home / 345,931.30-477,384.36-195,027.22

Finding the Fourth Proportional to 345,931.30, 477,384.36 and 195,027.22

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Solution

The fourth proportional to 345,931.30, 477,384.36 and 195,027.22 is: 269,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,931.30 : 477,384.36 = 195,027.22 : x
  2. Step 2: Convert to fraction form
    345,931.30/477,384.36 = 195,027.22/x
  3. Step 3: Cross multiply
    345,931.30x = 477,384.36 × 195,027.22
  4. Step 4: Simplify right side
    345,931.30x = 93,102,944,602.28
  5. Step 5: Solve for x
    x = 93,102,944,602.28/345,931.30
  6. Step 6: Final answer
    x = 269,137.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.