Home / 125,831.80-188,682.90-46,905.40

Finding the Fourth Proportional to 125,831.80, 188,682.90 and 46,905.40

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Solution

The fourth proportional to 125,831.80, 188,682.90 and 46,905.40 is: 70,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,831.80 : 188,682.90 = 46,905.40 : x
  2. Step 2: Convert to fraction form
    125,831.80/188,682.90 = 46,905.40/x
  3. Step 3: Cross multiply
    125,831.80x = 188,682.90 × 46,905.40
  4. Step 4: Simplify right side
    125,831.80x = 8,850,246,897.66
  5. Step 5: Solve for x
    x = 8,850,246,897.66/125,831.80
  6. Step 6: Final answer
    x = 70,333.94

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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.