Home / 147,220.65-203,096.57-86,750.01

Finding the Fourth Proportional to 147,220.65, 203,096.57 and 86,750.01

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Solution

The fourth proportional to 147,220.65, 203,096.57 and 86,750.01 is: 119,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,220.65 : 203,096.57 = 86,750.01 : x
  2. Step 2: Convert to fraction form
    147,220.65/203,096.57 = 86,750.01/x
  3. Step 3: Cross multiply
    147,220.65x = 203,096.57 × 86,750.01
  4. Step 4: Simplify right side
    147,220.65x = 17,618,629,044.72
  5. Step 5: Solve for x
    x = 17,618,629,044.72/147,220.65
  6. Step 6: Final answer
    x = 119,674.98

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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.