Home / 161,085.51-241,535.67-66,381.07

Finding the Fourth Proportional to 161,085.51, 241,535.67 and 66,381.07

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Solution

The fourth proportional to 161,085.51, 241,535.67 and 66,381.07 is: 99,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,085.51 : 241,535.67 = 66,381.07 : x
  2. Step 2: Convert to fraction form
    161,085.51/241,535.67 = 66,381.07/x
  3. Step 3: Cross multiply
    161,085.51x = 241,535.67 × 66,381.07
  4. Step 4: Simplify right side
    161,085.51x = 16,033,396,191.27
  5. Step 5: Solve for x
    x = 16,033,396,191.27/161,085.51
  6. Step 6: Final answer
    x = 99,533.45

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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.