Home / 561,831.95-842,772.54-162,513.09

Finding the Fourth Proportional to 561,831.95, 842,772.54 and 162,513.09

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Solution

The fourth proportional to 561,831.95, 842,772.54 and 162,513.09 is: 243,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,831.95 : 842,772.54 = 162,513.09 : x
  2. Step 2: Convert to fraction form
    561,831.95/842,772.54 = 162,513.09/x
  3. Step 3: Cross multiply
    561,831.95x = 842,772.54 × 162,513.09
  4. Step 4: Simplify right side
    561,831.95x = 136,961,569,642.55
  5. Step 5: Solve for x
    x = 136,961,569,642.55/561,831.95
  6. Step 6: Final answer
    x = 243,776.76

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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.