Home / 313,981.20-433,302.24-170,749.60

Finding the Fourth Proportional to 313,981.20, 433,302.24 and 170,749.60

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Solution

The fourth proportional to 313,981.20, 433,302.24 and 170,749.60 is: 235,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,981.20 : 433,302.24 = 170,749.60 : x
  2. Step 2: Convert to fraction form
    313,981.20/433,302.24 = 170,749.60/x
  3. Step 3: Cross multiply
    313,981.20x = 433,302.24 × 170,749.60
  4. Step 4: Simplify right side
    313,981.20x = 73,986,184,159.10
  5. Step 5: Solve for x
    x = 73,986,184,159.10/313,981.20
  6. Step 6: Final answer
    x = 235,638.90

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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.