Home / 313,860.23-433,122-170,623.88

Finding the Fourth Proportional to 313,860.23, 433,122 and 170,623.88

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Solution

The fourth proportional to 313,860.23, 433,122 and 170,623.88 is: 235,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,860.23 : 433,122 = 170,623.88 : x
  2. Step 2: Convert to fraction form
    313,860.23/433,122 = 170,623.88/x
  3. Step 3: Cross multiply
    313,860.23x = 433,122 × 170,623.88
  4. Step 4: Simplify right side
    313,860.23x = 73,900,953,987.75
  5. Step 5: Solve for x
    x = 73,900,953,987.75/313,860.23
  6. Step 6: Final answer
    x = 235,458.17

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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.