Home / 213,370.04-319,984.69-71,176.13

Finding the Fourth Proportional to 213,370.04, 319,984.69 and 71,176.13

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Solution

The fourth proportional to 213,370.04, 319,984.69 and 71,176.13 is: 106,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,370.04 : 319,984.69 = 71,176.13 : x
  2. Step 2: Convert to fraction form
    213,370.04/319,984.69 = 71,176.13/x
  3. Step 3: Cross multiply
    213,370.04x = 319,984.69 × 71,176.13
  4. Step 4: Simplify right side
    213,370.04x = 22,775,271,893.45
  5. Step 5: Solve for x
    x = 22,775,271,893.45/213,370.04
  6. Step 6: Final answer
    x = 106,740.72

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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.