Home / 302,572.10-453,080.55-223,256.90

Finding the Fourth Proportional to 302,572.10, 453,080.55 and 223,256.90

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Solution

The fourth proportional to 302,572.10, 453,080.55 and 223,256.90 is: 334,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,572.10 : 453,080.55 = 223,256.90 : x
  2. Step 2: Convert to fraction form
    302,572.10/453,080.55 = 223,256.90/x
  3. Step 3: Cross multiply
    302,572.10x = 453,080.55 × 223,256.90
  4. Step 4: Simplify right side
    302,572.10x = 101,153,359,043.30
  5. Step 5: Solve for x
    x = 101,153,359,043.30/302,572.10
  6. Step 6: Final answer
    x = 334,311.59

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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.