Home / 155,383.36-232,641.99-79,318.27

Finding the Fourth Proportional to 155,383.36, 232,641.99 and 79,318.27

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Solution

The fourth proportional to 155,383.36, 232,641.99 and 79,318.27 is: 118,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,383.36 : 232,641.99 = 79,318.27 : x
  2. Step 2: Convert to fraction form
    155,383.36/232,641.99 = 79,318.27/x
  3. Step 3: Cross multiply
    155,383.36x = 232,641.99 × 79,318.27
  4. Step 4: Simplify right side
    155,383.36x = 18,452,759,779.57
  5. Step 5: Solve for x
    x = 18,452,759,779.57/155,383.36
  6. Step 6: Final answer
    x = 118,756.35

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1.5x scale

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.