Home / 329,943.57-455,331.71-186,700.53

Finding the Fourth Proportional to 329,943.57, 455,331.71 and 186,700.53

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Solution

The fourth proportional to 329,943.57, 455,331.71 and 186,700.53 is: 257,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,943.57 : 455,331.71 = 186,700.53 : x
  2. Step 2: Convert to fraction form
    329,943.57/455,331.71 = 186,700.53/x
  3. Step 3: Cross multiply
    329,943.57x = 455,331.71 × 186,700.53
  4. Step 4: Simplify right side
    329,943.57x = 85,010,671,582.81
  5. Step 5: Solve for x
    x = 85,010,671,582.81/329,943.57
  6. Step 6: Final answer
    x = 257,652.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.