Home / 104,231.70-143,798.65-67,975.38

Finding the Fourth Proportional to 104,231.70, 143,798.65 and 67,975.38

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Solution

The fourth proportional to 104,231.70, 143,798.65 and 67,975.38 is: 93,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,231.70 : 143,798.65 = 67,975.38 : x
  2. Step 2: Convert to fraction form
    104,231.70/143,798.65 = 67,975.38/x
  3. Step 3: Cross multiply
    104,231.70x = 143,798.65 × 67,975.38
  4. Step 4: Simplify right side
    104,231.70x = 9,774,767,877.24
  5. Step 5: Solve for x
    x = 9,774,767,877.24/104,231.70
  6. Step 6: Final answer
    x = 93,779.22

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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.