Home / 194,621.64-291,828.60-99,813.35

Finding the Fourth Proportional to 194,621.64, 291,828.60 and 99,813.35

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Solution

The fourth proportional to 194,621.64, 291,828.60 and 99,813.35 is: 149,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,621.64 : 291,828.60 = 99,813.35 : x
  2. Step 2: Convert to fraction form
    194,621.64/291,828.60 = 99,813.35/x
  3. Step 3: Cross multiply
    194,621.64x = 291,828.60 × 99,813.35
  4. Step 4: Simplify right side
    194,621.64x = 29,128,390,191.81
  5. Step 5: Solve for x
    x = 29,128,390,191.81/194,621.64
  6. Step 6: Final answer
    x = 149,666.76

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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.