Home / 371,280.38-556,831.36-171,408.74

Finding the Fourth Proportional to 371,280.38, 556,831.36 and 171,408.74

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Solution

The fourth proportional to 371,280.38, 556,831.36 and 171,408.74 is: 257,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,280.38 : 556,831.36 = 171,408.74 : x
  2. Step 2: Convert to fraction form
    371,280.38/556,831.36 = 171,408.74/x
  3. Step 3: Cross multiply
    371,280.38x = 556,831.36 × 171,408.74
  4. Step 4: Simplify right side
    371,280.38x = 95,445,759,240.19
  5. Step 5: Solve for x
    x = 95,445,759,240.19/371,280.38
  6. Step 6: Final answer
    x = 257,071.92

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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.