Home / 149,038.80-223,558.20-49,214.40

Finding the Fourth Proportional to 149,038.80, 223,558.20 and 49,214.40

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Solution

The fourth proportional to 149,038.80, 223,558.20 and 49,214.40 is: 73,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,038.80 : 223,558.20 = 49,214.40 : x
  2. Step 2: Convert to fraction form
    149,038.80/223,558.20 = 49,214.40/x
  3. Step 3: Cross multiply
    149,038.80x = 223,558.20 × 49,214.40
  4. Step 4: Simplify right side
    149,038.80x = 11,002,282,678.08
  5. Step 5: Solve for x
    x = 11,002,282,678.08/149,038.80
  6. Step 6: Final answer
    x = 73,821.60

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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.