Home / 425,157.14-637,825.66-140,831.58

Finding the Fourth Proportional to 425,157.14, 637,825.66 and 140,831.58

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Solution

The fourth proportional to 425,157.14, 637,825.66 and 140,831.58 is: 211,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,157.14 : 637,825.66 = 140,831.58 : x
  2. Step 2: Convert to fraction form
    425,157.14/637,825.66 = 140,831.58/x
  3. Step 3: Cross multiply
    425,157.14x = 637,825.66 × 140,831.58
  4. Step 4: Simplify right side
    425,157.14x = 89,825,995,462.34
  5. Step 5: Solve for x
    x = 89,825,995,462.34/425,157.14
  6. Step 6: Final answer
    x = 211,277.17

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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.