Home / 191,535.23-287,206.72-111,599.03

Finding the Fourth Proportional to 191,535.23, 287,206.72 and 111,599.03

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Solution

The fourth proportional to 191,535.23, 287,206.72 and 111,599.03 is: 167,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,535.23 : 287,206.72 = 111,599.03 : x
  2. Step 2: Convert to fraction form
    191,535.23/287,206.72 = 111,599.03/x
  3. Step 3: Cross multiply
    191,535.23x = 287,206.72 × 111,599.03
  4. Step 4: Simplify right side
    191,535.23x = 32,051,991,361.48
  5. Step 5: Solve for x
    x = 32,051,991,361.48/191,535.23
  6. Step 6: Final answer
    x = 167,342.54

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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.