Home / 170,788.51-235,468.74-140,048.72

Finding the Fourth Proportional to 170,788.51, 235,468.74 and 140,048.72

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Solution

The fourth proportional to 170,788.51, 235,468.74 and 140,048.72 is: 193,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,788.51 : 235,468.74 = 140,048.72 : x
  2. Step 2: Convert to fraction form
    170,788.51/235,468.74 = 140,048.72/x
  3. Step 3: Cross multiply
    170,788.51x = 235,468.74 × 140,048.72
  4. Step 4: Simplify right side
    170,788.51x = 32,977,095,637.01
  5. Step 5: Solve for x
    x = 32,977,095,637.01/170,788.51
  6. Step 6: Final answer
    x = 193,087.32

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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.