Home / 187,028.63-258,118.08-111,577.13

Finding the Fourth Proportional to 187,028.63, 258,118.08 and 111,577.13

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Solution

The fourth proportional to 187,028.63, 258,118.08 and 111,577.13 is: 153,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,028.63 : 258,118.08 = 111,577.13 : x
  2. Step 2: Convert to fraction form
    187,028.63/258,118.08 = 111,577.13/x
  3. Step 3: Cross multiply
    187,028.63x = 258,118.08 × 111,577.13
  4. Step 4: Simplify right side
    187,028.63x = 28,800,074,567.51
  5. Step 5: Solve for x
    x = 28,800,074,567.51/187,028.63
  6. Step 6: Final answer
    x = 153,987.52

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1.5x scale

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.