Home / 302,612.10-453,140.55-223,296.90

Finding the Fourth Proportional to 302,612.10, 453,140.55 and 223,296.90

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Solution

The fourth proportional to 302,612.10, 453,140.55 and 223,296.90 is: 334,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,612.10 : 453,140.55 = 223,296.90 : x
  2. Step 2: Convert to fraction form
    302,612.10/453,140.55 = 223,296.90/x
  3. Step 3: Cross multiply
    302,612.10x = 453,140.55 × 223,296.90
  4. Step 4: Simplify right side
    302,612.10x = 101,184,880,079.30
  5. Step 5: Solve for x
    x = 101,184,880,079.30/302,612.10
  6. Step 6: Final answer
    x = 334,371.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.