Home / 163,075.06-225,053.40-91,459.32

Finding the Fourth Proportional to 163,075.06, 225,053.40 and 91,459.32

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Solution

The fourth proportional to 163,075.06, 225,053.40 and 91,459.32 is: 126,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,075.06 : 225,053.40 = 91,459.32 : x
  2. Step 2: Convert to fraction form
    163,075.06/225,053.40 = 91,459.32/x
  3. Step 3: Cross multiply
    163,075.06x = 225,053.40 × 91,459.32
  4. Step 4: Simplify right side
    163,075.06x = 20,583,230,927.69
  5. Step 5: Solve for x
    x = 20,583,230,927.69/163,075.06
  6. Step 6: Final answer
    x = 126,219.37

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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.