Home / 384,271.56-530,263.26-223,075.08

Finding the Fourth Proportional to 384,271.56, 530,263.26 and 223,075.08

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Solution

The fourth proportional to 384,271.56, 530,263.26 and 223,075.08 is: 307,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,271.56 : 530,263.26 = 223,075.08 : x
  2. Step 2: Convert to fraction form
    384,271.56/530,263.26 = 223,075.08/x
  3. Step 3: Cross multiply
    384,271.56x = 530,263.26 × 223,075.08
  4. Step 4: Simplify right side
    384,271.56x = 118,288,519,145.56
  5. Step 5: Solve for x
    x = 118,288,519,145.56/384,271.56
  6. Step 6: Final answer
    x = 307,825.33

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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.