Home / 190,015.74-285,040.08-49,774.50

Finding the Fourth Proportional to 190,015.74, 285,040.08 and 49,774.50

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Solution

The fourth proportional to 190,015.74, 285,040.08 and 49,774.50 is: 74,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,015.74 : 285,040.08 = 49,774.50 : x
  2. Step 2: Convert to fraction form
    190,015.74/285,040.08 = 49,774.50/x
  3. Step 3: Cross multiply
    190,015.74x = 285,040.08 × 49,774.50
  4. Step 4: Simplify right side
    190,015.74x = 14,187,727,461.96
  5. Step 5: Solve for x
    x = 14,187,727,461.96/190,015.74
  6. Step 6: Final answer
    x = 74,666.06

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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.