Home / 170,633.20-235,485.48-99,013.36

Finding the Fourth Proportional to 170,633.20, 235,485.48 and 99,013.36

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Solution

The fourth proportional to 170,633.20, 235,485.48 and 99,013.36 is: 136,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,633.20 : 235,485.48 = 99,013.36 : x
  2. Step 2: Convert to fraction form
    170,633.20/235,485.48 = 99,013.36/x
  3. Step 3: Cross multiply
    170,633.20x = 235,485.48 × 99,013.36
  4. Step 4: Simplify right side
    170,633.20x = 23,316,208,606.01
  5. Step 5: Solve for x
    x = 23,316,208,606.01/170,633.20
  6. Step 6: Final answer
    x = 136,645.21

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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.