Home / 302,410.10-453,615.15-102,955.70

Finding the Fourth Proportional to 302,410.10, 453,615.15 and 102,955.70

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Solution

The fourth proportional to 302,410.10, 453,615.15 and 102,955.70 is: 154,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,410.10 : 453,615.15 = 102,955.70 : x
  2. Step 2: Convert to fraction form
    302,410.10/453,615.15 = 102,955.70/x
  3. Step 3: Cross multiply
    302,410.10x = 453,615.15 × 102,955.70
  4. Step 4: Simplify right side
    302,410.10x = 46,702,265,298.86
  5. Step 5: Solve for x
    x = 46,702,265,298.86/302,410.10
  6. Step 6: Final answer
    x = 154,433.55

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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.