Home / 141,900.04-195,618.60-111,632.80

Finding the Fourth Proportional to 141,900.04, 195,618.60 and 111,632.80

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Solution

The fourth proportional to 141,900.04, 195,618.60 and 111,632.80 is: 153,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,900.04 : 195,618.60 = 111,632.80 : x
  2. Step 2: Convert to fraction form
    141,900.04/195,618.60 = 111,632.80/x
  3. Step 3: Cross multiply
    141,900.04x = 195,618.60 × 111,632.80
  4. Step 4: Simplify right side
    141,900.04x = 21,837,452,050.08
  5. Step 5: Solve for x
    x = 21,837,452,050.08/141,900.04
  6. Step 6: Final answer
    x = 153,893.21

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1.5x scale

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.