Home / 212,783.19-293,639.02-115,985.27

Finding the Fourth Proportional to 212,783.19, 293,639.02 and 115,985.27

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Solution

The fourth proportional to 212,783.19, 293,639.02 and 115,985.27 is: 160,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,783.19 : 293,639.02 = 115,985.27 : x
  2. Step 2: Convert to fraction form
    212,783.19/293,639.02 = 115,985.27/x
  3. Step 3: Cross multiply
    212,783.19x = 293,639.02 × 115,985.27
  4. Step 4: Simplify right side
    212,783.19x = 34,057,801,461.37
  5. Step 5: Solve for x
    x = 34,057,801,461.37/212,783.19
  6. Step 6: Final answer
    x = 160,058.71

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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.