Home / 168,730.56-232,830.72-105,075.36

Finding the Fourth Proportional to 168,730.56, 232,830.72 and 105,075.36

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Solution

The fourth proportional to 168,730.56, 232,830.72 and 105,075.36 is: 144,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,730.56 : 232,830.72 = 105,075.36 : x
  2. Step 2: Convert to fraction form
    168,730.56/232,830.72 = 105,075.36/x
  3. Step 3: Cross multiply
    168,730.56x = 232,830.72 × 105,075.36
  4. Step 4: Simplify right side
    168,730.56x = 24,464,771,723.06
  5. Step 5: Solve for x
    x = 24,464,771,723.06/168,730.56
  6. Step 6: Final answer
    x = 144,993.13

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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.