Home / 170,904.16-235,846.40-99,326.08

Finding the Fourth Proportional to 170,904.16, 235,846.40 and 99,326.08

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Solution

The fourth proportional to 170,904.16, 235,846.40 and 99,326.08 is: 137,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,904.16 : 235,846.40 = 99,326.08 : x
  2. Step 2: Convert to fraction form
    170,904.16/235,846.40 = 99,326.08/x
  3. Step 3: Cross multiply
    170,904.16x = 235,846.40 × 99,326.08
  4. Step 4: Simplify right side
    170,904.16x = 23,425,698,394.11
  5. Step 5: Solve for x
    x = 23,425,698,394.11/170,904.16
  6. Step 6: Final answer
    x = 137,069.21

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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.