Home / 141,903.04-195,622.74-111,635.80

Finding the Fourth Proportional to 141,903.04, 195,622.74 and 111,635.80

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Solution

The fourth proportional to 141,903.04, 195,622.74 and 111,635.80 is: 153,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,903.04 : 195,622.74 = 111,635.80 : x
  2. Step 2: Convert to fraction form
    141,903.04/195,622.74 = 111,635.80/x
  3. Step 3: Cross multiply
    141,903.04x = 195,622.74 × 111,635.80
  4. Step 4: Simplify right side
    141,903.04x = 21,838,501,078.09
  5. Step 5: Solve for x
    x = 21,838,501,078.09/141,903.04
  6. Step 6: Final answer
    x = 153,897.34

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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.