Home / 433,831.09-650,594.23-130,134.70

Finding the Fourth Proportional to 433,831.09, 650,594.23 and 130,134.70

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Solution

The fourth proportional to 433,831.09, 650,594.23 and 130,134.70 is: 195,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,831.09 : 650,594.23 = 130,134.70 : x
  2. Step 2: Convert to fraction form
    433,831.09/650,594.23 = 130,134.70/x
  3. Step 3: Cross multiply
    433,831.09x = 650,594.23 × 130,134.70
  4. Step 4: Simplify right side
    433,831.09x = 84,664,885,430.69
  5. Step 5: Solve for x
    x = 84,664,885,430.69/433,831.09
  6. Step 6: Final answer
    x = 195,156.34

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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.