Home / 131,692.88-197,570.76-42,946.46

Finding the Fourth Proportional to 131,692.88, 197,570.76 and 42,946.46

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Solution

The fourth proportional to 131,692.88, 197,570.76 and 42,946.46 is: 64,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,692.88 : 197,570.76 = 42,946.46 : x
  2. Step 2: Convert to fraction form
    131,692.88/197,570.76 = 42,946.46/x
  3. Step 3: Cross multiply
    131,692.88x = 197,570.76 × 42,946.46
  4. Step 4: Simplify right side
    131,692.88x = 8,484,964,741.51
  5. Step 5: Solve for x
    x = 8,484,964,741.51/131,692.88
  6. Step 6: Final answer
    x = 64,429.94

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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.