Home / 147,053.30-202,977.01-86,643.45

Finding the Fourth Proportional to 147,053.30, 202,977.01 and 86,643.45

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Solution

The fourth proportional to 147,053.30, 202,977.01 and 86,643.45 is: 119,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053.30 : 202,977.01 = 86,643.45 : x
  2. Step 2: Convert to fraction form
    147,053.30/202,977.01 = 86,643.45/x
  3. Step 3: Cross multiply
    147,053.30x = 202,977.01 × 86,643.45
  4. Step 4: Simplify right side
    147,053.30x = 17,586,628,525.39
  5. Step 5: Solve for x
    x = 17,586,628,525.39/147,053.30
  6. Step 6: Final answer
    x = 119,593.57

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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.