Home / 223,051.83-307,803.24-121,075.13

Finding the Fourth Proportional to 223,051.83, 307,803.24 and 121,075.13

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Solution

The fourth proportional to 223,051.83, 307,803.24 and 121,075.13 is: 167,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,051.83 : 307,803.24 = 121,075.13 : x
  2. Step 2: Convert to fraction form
    223,051.83/307,803.24 = 121,075.13/x
  3. Step 3: Cross multiply
    223,051.83x = 307,803.24 × 121,075.13
  4. Step 4: Simplify right side
    223,051.83x = 37,267,317,201.23
  5. Step 5: Solve for x
    x = 37,267,317,201.23/223,051.83
  6. Step 6: Final answer
    x = 167,079.18

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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.