Home / 143,564.25-215,346.48-64,586.22

Finding the Fourth Proportional to 143,564.25, 215,346.48 and 64,586.22

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Solution

The fourth proportional to 143,564.25, 215,346.48 and 64,586.22 is: 96,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,564.25 : 215,346.48 = 64,586.22 : x
  2. Step 2: Convert to fraction form
    143,564.25/215,346.48 = 64,586.22/x
  3. Step 3: Cross multiply
    143,564.25x = 215,346.48 × 64,586.22
  4. Step 4: Simplify right side
    143,564.25x = 13,908,415,133.51
  5. Step 5: Solve for x
    x = 13,908,415,133.51/143,564.25
  6. Step 6: Final answer
    x = 96,879.38

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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.