Home / 156,831.40-235,304.70-63,346.60

Finding the Fourth Proportional to 156,831.40, 235,304.70 and 63,346.60

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Solution

The fourth proportional to 156,831.40, 235,304.70 and 63,346.60 is: 95,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,831.40 : 235,304.70 = 63,346.60 : x
  2. Step 2: Convert to fraction form
    156,831.40/235,304.70 = 63,346.60/x
  3. Step 3: Cross multiply
    156,831.40x = 235,304.70 × 63,346.60
  4. Step 4: Simplify right side
    156,831.40x = 14,905,752,709.02
  5. Step 5: Solve for x
    x = 14,905,752,709.02/156,831.40
  6. Step 6: Final answer
    x = 95,043.17

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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.