Home / 210,878.88-317,077.02-194,440.02

Finding the Fourth Proportional to 210,878.88, 317,077.02 and 194,440.02

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Solution

The fourth proportional to 210,878.88, 317,077.02 and 194,440.02 is: 292,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,878.88 : 317,077.02 = 194,440.02 : x
  2. Step 2: Convert to fraction form
    210,878.88/317,077.02 = 194,440.02/x
  3. Step 3: Cross multiply
    210,878.88x = 317,077.02 × 194,440.02
  4. Step 4: Simplify right side
    210,878.88x = 61,652,462,110.34
  5. Step 5: Solve for x
    x = 61,652,462,110.34/210,878.88
  6. Step 6: Final answer
    x = 292,359.59

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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.