Home / 111,925.60-167,779.05-100,115.80

Finding the Fourth Proportional to 111,925.60, 167,779.05 and 100,115.80

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Solution

The fourth proportional to 111,925.60, 167,779.05 and 100,115.80 is: 150,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,925.60 : 167,779.05 = 100,115.80 : x
  2. Step 2: Convert to fraction form
    111,925.60/167,779.05 = 100,115.80/x
  3. Step 3: Cross multiply
    111,925.60x = 167,779.05 × 100,115.80
  4. Step 4: Simplify right side
    111,925.60x = 16,797,333,813.99
  5. Step 5: Solve for x
    x = 16,797,333,813.99/111,925.60
  6. Step 6: Final answer
    x = 150,075.89

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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.