Home / 126,030.83-189,075.41-73,484.51

Finding the Fourth Proportional to 126,030.83, 189,075.41 and 73,484.51

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Solution

The fourth proportional to 126,030.83, 189,075.41 and 73,484.51 is: 110,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,030.83 : 189,075.41 = 73,484.51 : x
  2. Step 2: Convert to fraction form
    126,030.83/189,075.41 = 73,484.51/x
  3. Step 3: Cross multiply
    126,030.83x = 189,075.41 × 73,484.51
  4. Step 4: Simplify right side
    126,030.83x = 13,894,113,489.48
  5. Step 5: Solve for x
    x = 13,894,113,489.48/126,030.83
  6. Step 6: Final answer
    x = 110,243.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.