Home / 223,199.42-308,135.14-172,100.16

Finding the Fourth Proportional to 223,199.42, 308,135.14 and 172,100.16

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Solution

The fourth proportional to 223,199.42, 308,135.14 and 172,100.16 is: 237,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,199.42 : 308,135.14 = 172,100.16 : x
  2. Step 2: Convert to fraction form
    223,199.42/308,135.14 = 172,100.16/x
  3. Step 3: Cross multiply
    223,199.42x = 308,135.14 × 172,100.16
  4. Step 4: Simplify right side
    223,199.42x = 53,030,106,465.37
  5. Step 5: Solve for x
    x = 53,030,106,465.37/223,199.42
  6. Step 6: Final answer
    x = 237,590.71

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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.