Home / 313,981.95-433,142.75-186,567.33

Finding the Fourth Proportional to 313,981.95, 433,142.75 and 186,567.33

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Solution

The fourth proportional to 313,981.95, 433,142.75 and 186,567.33 is: 257,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,981.95 : 433,142.75 = 186,567.33 : x
  2. Step 2: Convert to fraction form
    313,981.95/433,142.75 = 186,567.33/x
  3. Step 3: Cross multiply
    313,981.95x = 433,142.75 × 186,567.33
  4. Step 4: Simplify right side
    313,981.95x = 80,810,285,443.52
  5. Step 5: Solve for x
    x = 80,810,285,443.52/313,981.95
  6. Step 6: Final answer
    x = 257,372.39

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1.5x scale

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.