Home / 190,417.33-285,818.10-83,848.69

Finding the Fourth Proportional to 190,417.33, 285,818.10 and 83,848.69

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Solution

The fourth proportional to 190,417.33, 285,818.10 and 83,848.69 is: 125,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,417.33 : 285,818.10 = 83,848.69 : x
  2. Step 2: Convert to fraction form
    190,417.33/285,818.10 = 83,848.69/x
  3. Step 3: Cross multiply
    190,417.33x = 285,818.10 × 83,848.69
  4. Step 4: Simplify right side
    190,417.33x = 23,965,473,263.29
  5. Step 5: Solve for x
    x = 23,965,473,263.29/190,417.33
  6. Step 6: Final answer
    x = 125,857.63

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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.