Home / 459,831.46-689,776.32-144,300.82

Finding the Fourth Proportional to 459,831.46, 689,776.32 and 144,300.82

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Solution

The fourth proportional to 459,831.46, 689,776.32 and 144,300.82 is: 216,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,831.46 : 689,776.32 = 144,300.82 : x
  2. Step 2: Convert to fraction form
    459,831.46/689,776.32 = 144,300.82/x
  3. Step 3: Cross multiply
    459,831.46x = 689,776.32 × 144,300.82
  4. Step 4: Simplify right side
    459,831.46x = 99,535,288,592.58
  5. Step 5: Solve for x
    x = 99,535,288,592.58/459,831.46
  6. Step 6: Final answer
    x = 216,460.37

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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.