Home / 194,316.72-291,521.20-61,196.64

Finding the Fourth Proportional to 194,316.72, 291,521.20 and 61,196.64

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Solution

The fourth proportional to 194,316.72, 291,521.20 and 61,196.64 is: 91,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,316.72 : 291,521.20 = 61,196.64 : x
  2. Step 2: Convert to fraction form
    194,316.72/291,521.20 = 61,196.64/x
  3. Step 3: Cross multiply
    194,316.72x = 291,521.20 × 61,196.64
  4. Step 4: Simplify right side
    194,316.72x = 17,840,117,928.77
  5. Step 5: Solve for x
    x = 17,840,117,928.77/194,316.72
  6. Step 6: Final answer
    x = 91,809.48

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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.