Home / 458,164.36-686,831.82-162,607.24

Finding the Fourth Proportional to 458,164.36, 686,831.82 and 162,607.24

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Solution

The fourth proportional to 458,164.36, 686,831.82 and 162,607.24 is: 243,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,164.36 : 686,831.82 = 162,607.24 : x
  2. Step 2: Convert to fraction form
    458,164.36/686,831.82 = 162,607.24/x
  3. Step 3: Cross multiply
    458,164.36x = 686,831.82 × 162,607.24
  4. Step 4: Simplify right side
    458,164.36x = 111,683,826,594.38
  5. Step 5: Solve for x
    x = 111,683,826,594.38/458,164.36
  6. Step 6: Final answer
    x = 243,763.67

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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.