Home / 155,690.55-233,535.74-111,403.80

Finding the Fourth Proportional to 155,690.55, 233,535.74 and 111,403.80

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Solution

The fourth proportional to 155,690.55, 233,535.74 and 111,403.80 is: 167,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,690.55 : 233,535.74 = 111,403.80 : x
  2. Step 2: Convert to fraction form
    155,690.55/233,535.74 = 111,403.80/x
  3. Step 3: Cross multiply
    155,690.55x = 233,535.74 × 111,403.80
  4. Step 4: Simplify right side
    155,690.55x = 26,016,768,314.79
  5. Step 5: Solve for x
    x = 26,016,768,314.79/155,690.55
  6. Step 6: Final answer
    x = 167,105.64

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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.