Home / 194,124.18-291,256.35-67,783.05

Finding the Fourth Proportional to 194,124.18, 291,256.35 and 67,783.05

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Solution

The fourth proportional to 194,124.18, 291,256.35 and 67,783.05 is: 101,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,124.18 : 291,256.35 = 67,783.05 : x
  2. Step 2: Convert to fraction form
    194,124.18/291,256.35 = 67,783.05/x
  3. Step 3: Cross multiply
    194,124.18x = 291,256.35 × 67,783.05
  4. Step 4: Simplify right side
    194,124.18x = 19,742,243,480.68
  5. Step 5: Solve for x
    x = 19,742,243,480.68/194,124.18
  6. Step 6: Final answer
    x = 101,699.04

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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.