Home / 119,222.70-164,541.63-71,502.30

Finding the Fourth Proportional to 119,222.70, 164,541.63 and 71,502.30

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Solution

The fourth proportional to 119,222.70, 164,541.63 and 71,502.30 is: 98,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,222.70 : 164,541.63 = 71,502.30 : x
  2. Step 2: Convert to fraction form
    119,222.70/164,541.63 = 71,502.30/x
  3. Step 3: Cross multiply
    119,222.70x = 164,541.63 × 71,502.30
  4. Step 4: Simplify right side
    119,222.70x = 11,765,104,990.75
  5. Step 5: Solve for x
    x = 11,765,104,990.75/119,222.70
  6. Step 6: Final answer
    x = 98,681.75

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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.