Home / 190,438.35-285,676.47-70,527.39

Finding the Fourth Proportional to 190,438.35, 285,676.47 and 70,527.39

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Solution

The fourth proportional to 190,438.35, 285,676.47 and 70,527.39 is: 105,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,438.35 : 285,676.47 = 70,527.39 : x
  2. Step 2: Convert to fraction form
    190,438.35/285,676.47 = 70,527.39/x
  3. Step 3: Cross multiply
    190,438.35x = 285,676.47 × 70,527.39
  4. Step 4: Simplify right side
    190,438.35x = 20,148,015,813.51
  5. Step 5: Solve for x
    x = 20,148,015,813.51/190,438.35
  6. Step 6: Final answer
    x = 105,798.10

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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.