Home / 302,032.20-453,048.30-202,499.40

Finding the Fourth Proportional to 302,032.20, 453,048.30 and 202,499.40

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Solution

The fourth proportional to 302,032.20, 453,048.30 and 202,499.40 is: 303,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,032.20 : 453,048.30 = 202,499.40 : x
  2. Step 2: Convert to fraction form
    302,032.20/453,048.30 = 202,499.40/x
  3. Step 3: Cross multiply
    302,032.20x = 453,048.30 × 202,499.40
  4. Step 4: Simplify right side
    302,032.20x = 91,742,008,921.02
  5. Step 5: Solve for x
    x = 91,742,008,921.02/302,032.20
  6. Step 6: Final answer
    x = 303,749.10

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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.