Home / 563,384.90-845,069.19-136,923.86

Finding the Fourth Proportional to 563,384.90, 845,069.19 and 136,923.86

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Solution

The fourth proportional to 563,384.90, 845,069.19 and 136,923.86 is: 205,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,384.90 : 845,069.19 = 136,923.86 : x
  2. Step 2: Convert to fraction form
    563,384.90/845,069.19 = 136,923.86/x
  3. Step 3: Cross multiply
    563,384.90x = 845,069.19 × 136,923.86
  4. Step 4: Simplify right side
    563,384.90x = 115,710,135,461.87
  5. Step 5: Solve for x
    x = 115,710,135,461.87/563,384.90
  6. Step 6: Final answer
    x = 205,383.81

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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.