Home / 302,927.10-454,390.65-103,472.70

Finding the Fourth Proportional to 302,927.10, 454,390.65 and 103,472.70

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Solution

The fourth proportional to 302,927.10, 454,390.65 and 103,472.70 is: 155,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,927.10 : 454,390.65 = 103,472.70 : x
  2. Step 2: Convert to fraction form
    302,927.10/454,390.65 = 103,472.70/x
  3. Step 3: Cross multiply
    302,927.10x = 454,390.65 × 103,472.70
  4. Step 4: Simplify right side
    302,927.10x = 47,017,027,410.26
  5. Step 5: Solve for x
    x = 47,017,027,410.26/302,927.10
  6. Step 6: Final answer
    x = 155,209.05

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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.