Home / 191,535.48-287,207.10-111,599.28

Finding the Fourth Proportional to 191,535.48, 287,207.10 and 111,599.28

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Solution

The fourth proportional to 191,535.48, 287,207.10 and 111,599.28 is: 167,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,535.48 : 287,207.10 = 111,599.28 : x
  2. Step 2: Convert to fraction form
    191,535.48/287,207.10 = 111,599.28/x
  3. Step 3: Cross multiply
    191,535.48x = 287,207.10 × 111,599.28
  4. Step 4: Simplify right side
    191,535.48x = 32,052,105,570.89
  5. Step 5: Solve for x
    x = 32,052,105,570.89/191,535.48
  6. Step 6: Final answer
    x = 167,342.92

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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.