Home / 314,328.81-433,857.20-193,571.35

Finding the Fourth Proportional to 314,328.81, 433,857.20 and 193,571.35

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Solution

The fourth proportional to 314,328.81, 433,857.20 and 193,571.35 is: 267,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,328.81 : 433,857.20 = 193,571.35 : x
  2. Step 2: Convert to fraction form
    314,328.81/433,857.20 = 193,571.35/x
  3. Step 3: Cross multiply
    314,328.81x = 433,857.20 × 193,571.35
  4. Step 4: Simplify right side
    314,328.81x = 83,982,321,858.72
  5. Step 5: Solve for x
    x = 83,982,321,858.72/314,328.81
  6. Step 6: Final answer
    x = 267,179.84

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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.