Home / 212,698.40-293,538.02-117,205.11

Finding the Fourth Proportional to 212,698.40, 293,538.02 and 117,205.11

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Solution

The fourth proportional to 212,698.40, 293,538.02 and 117,205.11 is: 161,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,698.40 : 293,538.02 = 117,205.11 : x
  2. Step 2: Convert to fraction form
    212,698.40/293,538.02 = 117,205.11/x
  3. Step 3: Cross multiply
    212,698.40x = 293,538.02 × 117,205.11
  4. Step 4: Simplify right side
    212,698.40x = 34,404,155,337.26
  5. Step 5: Solve for x
    x = 34,404,155,337.26/212,698.40
  6. Step 6: Final answer
    x = 161,750.89

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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.