Home / 370,212.24-555,416.64-192,666.72

Finding the Fourth Proportional to 370,212.24, 555,416.64 and 192,666.72

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Solution

The fourth proportional to 370,212.24, 555,416.64 and 192,666.72 is: 289,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,212.24 : 555,416.64 = 192,666.72 : x
  2. Step 2: Convert to fraction form
    370,212.24/555,416.64 = 192,666.72/x
  3. Step 3: Cross multiply
    370,212.24x = 555,416.64 × 192,666.72
  4. Step 4: Simplify right side
    370,212.24x = 107,010,302,262.22
  5. Step 5: Solve for x
    x = 107,010,302,262.22/370,212.24
  6. Step 6: Final answer
    x = 289,051.23

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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.