Home / 343,038.42-514,557.63-156,103.38

Finding the Fourth Proportional to 343,038.42, 514,557.63 and 156,103.38

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Solution

The fourth proportional to 343,038.42, 514,557.63 and 156,103.38 is: 234,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,038.42 : 514,557.63 = 156,103.38 : x
  2. Step 2: Convert to fraction form
    343,038.42/514,557.63 = 156,103.38/x
  3. Step 3: Cross multiply
    343,038.42x = 514,557.63 × 156,103.38
  4. Step 4: Simplify right side
    343,038.42x = 80,324,185,247.79
  5. Step 5: Solve for x
    x = 80,324,185,247.79/343,038.42
  6. Step 6: Final answer
    x = 234,155.07

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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.