Home / 294,192.72-405,500.78-208,040.58

Finding the Fourth Proportional to 294,192.72, 405,500.78 and 208,040.58

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Solution

The fourth proportional to 294,192.72, 405,500.78 and 208,040.58 is: 286,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,192.72 : 405,500.78 = 208,040.58 : x
  2. Step 2: Convert to fraction form
    294,192.72/405,500.78 = 208,040.58/x
  3. Step 3: Cross multiply
    294,192.72x = 405,500.78 × 208,040.58
  4. Step 4: Simplify right side
    294,192.72x = 84,360,616,421.45
  5. Step 5: Solve for x
    x = 84,360,616,421.45/294,192.72
  6. Step 6: Final answer
    x = 286,752.90

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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.