Home / 185,384.25-255,830.58-100,501.47

Finding the Fourth Proportional to 185,384.25, 255,830.58 and 100,501.47

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Solution

The fourth proportional to 185,384.25, 255,830.58 and 100,501.47 is: 138,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,384.25 : 255,830.58 = 100,501.47 : x
  2. Step 2: Convert to fraction form
    185,384.25/255,830.58 = 100,501.47/x
  3. Step 3: Cross multiply
    185,384.25x = 255,830.58 × 100,501.47
  4. Step 4: Simplify right side
    185,384.25x = 25,711,349,360.95
  5. Step 5: Solve for x
    x = 25,711,349,360.95/185,384.25
  6. Step 6: Final answer
    x = 138,692.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.