Home / 189,250.74-261,196.49-112,779.03

Finding the Fourth Proportional to 189,250.74, 261,196.49 and 112,779.03

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Solution

The fourth proportional to 189,250.74, 261,196.49 and 112,779.03 is: 155,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,250.74 : 261,196.49 = 112,779.03 : x
  2. Step 2: Convert to fraction form
    189,250.74/261,196.49 = 112,779.03/x
  3. Step 3: Cross multiply
    189,250.74x = 261,196.49 × 112,779.03
  4. Step 4: Simplify right side
    189,250.74x = 29,457,486,217.71
  5. Step 5: Solve for x
    x = 29,457,486,217.71/189,250.74
  6. Step 6: Final answer
    x = 155,653.22

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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.