Home / 346,128.39-477,616.50-200,900.66

Finding the Fourth Proportional to 346,128.39, 477,616.50 and 200,900.66

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Solution

The fourth proportional to 346,128.39, 477,616.50 and 200,900.66 is: 277,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,128.39 : 477,616.50 = 200,900.66 : x
  2. Step 2: Convert to fraction form
    346,128.39/477,616.50 = 200,900.66/x
  3. Step 3: Cross multiply
    346,128.39x = 477,616.50 × 200,900.66
  4. Step 4: Simplify right side
    346,128.39x = 95,953,467,688.81
  5. Step 5: Solve for x
    x = 95,953,467,688.81/346,128.39
  6. Step 6: Final answer
    x = 277,219.29

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1.5x scale

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.