Home / 212,878.06-293,765.43-117,384.73

Finding the Fourth Proportional to 212,878.06, 293,765.43 and 117,384.73

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Solution

The fourth proportional to 212,878.06, 293,765.43 and 117,384.73 is: 161,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,878.06 : 293,765.43 = 117,384.73 : x
  2. Step 2: Convert to fraction form
    212,878.06/293,765.43 = 117,384.73/x
  3. Step 3: Cross multiply
    212,878.06x = 293,765.43 × 117,384.73
  4. Step 4: Simplify right side
    212,878.06x = 34,483,575,389.66
  5. Step 5: Solve for x
    x = 34,483,575,389.66/212,878.06
  6. Step 6: Final answer
    x = 161,987.46

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1.5x scale

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.