Home / 149,303.04-206,038.16-82,235.04

Finding the Fourth Proportional to 149,303.04, 206,038.16 and 82,235.04

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Solution

The fourth proportional to 149,303.04, 206,038.16 and 82,235.04 is: 113,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,303.04 : 206,038.16 = 82,235.04 : x
  2. Step 2: Convert to fraction form
    149,303.04/206,038.16 = 82,235.04/x
  3. Step 3: Cross multiply
    149,303.04x = 206,038.16 × 82,235.04
  4. Step 4: Simplify right side
    149,303.04x = 16,943,556,329.13
  5. Step 5: Solve for x
    x = 16,943,556,329.13/149,303.04
  6. Step 6: Final answer
    x = 113,484.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.