Home / 319,325.95-440,666.58-174,131.37

Finding the Fourth Proportional to 319,325.95, 440,666.58 and 174,131.37

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Solution

The fourth proportional to 319,325.95, 440,666.58 and 174,131.37 is: 240,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,325.95 : 440,666.58 = 174,131.37 : x
  2. Step 2: Convert to fraction form
    319,325.95/440,666.58 = 174,131.37/x
  3. Step 3: Cross multiply
    319,325.95x = 440,666.58 × 174,131.37
  4. Step 4: Simplify right side
    319,325.95x = 76,733,875,288.61
  5. Step 5: Solve for x
    x = 76,733,875,288.61/319,325.95
  6. Step 6: Final answer
    x = 240,299.53

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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.