Home / 448,699.16-673,178.58-145,086.84

Finding the Fourth Proportional to 448,699.16, 673,178.58 and 145,086.84

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Solution

The fourth proportional to 448,699.16, 673,178.58 and 145,086.84 is: 217,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,699.16 : 673,178.58 = 145,086.84 : x
  2. Step 2: Convert to fraction form
    448,699.16/673,178.58 = 145,086.84/x
  3. Step 3: Cross multiply
    448,699.16x = 673,178.58 × 145,086.84
  4. Step 4: Simplify right side
    448,699.16x = 97,669,352,927.89
  5. Step 5: Solve for x
    x = 97,669,352,927.89/448,699.16
  6. Step 6: Final answer
    x = 217,672.24

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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.