Home / 665,177.22-997,831.29-178,853.31

Finding the Fourth Proportional to 665,177.22, 997,831.29 and 178,853.31

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Solution

The fourth proportional to 665,177.22, 997,831.29 and 178,853.31 is: 268,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,177.22 : 997,831.29 = 178,853.31 : x
  2. Step 2: Convert to fraction form
    665,177.22/997,831.29 = 178,853.31/x
  3. Step 3: Cross multiply
    665,177.22x = 997,831.29 × 178,853.31
  4. Step 4: Simplify right side
    665,177.22x = 178,465,429,038.07
  5. Step 5: Solve for x
    x = 178,465,429,038.07/665,177.22
  6. Step 6: Final answer
    x = 268,297.57

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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.