Home / 316,060.28-474,090.88-129,071.80

Finding the Fourth Proportional to 316,060.28, 474,090.88 and 129,071.80

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Solution

The fourth proportional to 316,060.28, 474,090.88 and 129,071.80 is: 193,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,060.28 : 474,090.88 = 129,071.80 : x
  2. Step 2: Convert to fraction form
    316,060.28/474,090.88 = 129,071.80/x
  3. Step 3: Cross multiply
    316,060.28x = 474,090.88 × 129,071.80
  4. Step 4: Simplify right side
    316,060.28x = 61,191,763,245.18
  5. Step 5: Solve for x
    x = 61,191,763,245.18/316,060.28
  6. Step 6: Final answer
    x = 193,607.89

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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.