Home / 191,571.11-264,368.09-111,045.36

Finding the Fourth Proportional to 191,571.11, 264,368.09 and 111,045.36

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Solution

The fourth proportional to 191,571.11, 264,368.09 and 111,045.36 is: 153,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,571.11 : 264,368.09 = 111,045.36 : x
  2. Step 2: Convert to fraction form
    191,571.11/264,368.09 = 111,045.36/x
  3. Step 3: Cross multiply
    191,571.11x = 264,368.09 × 111,045.36
  4. Step 4: Simplify right side
    191,571.11x = 29,356,849,171.34
  5. Step 5: Solve for x
    x = 29,356,849,171.34/191,571.11
  6. Step 6: Final answer
    x = 153,242.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.