Home / 160,985.19-222,058.51-103,698.75

Finding the Fourth Proportional to 160,985.19, 222,058.51 and 103,698.75

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Solution

The fourth proportional to 160,985.19, 222,058.51 and 103,698.75 is: 143,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,985.19 : 222,058.51 = 103,698.75 : x
  2. Step 2: Convert to fraction form
    160,985.19/222,058.51 = 103,698.75/x
  3. Step 3: Cross multiply
    160,985.19x = 222,058.51 × 103,698.75
  4. Step 4: Simplify right side
    160,985.19x = 23,027,189,913.86
  5. Step 5: Solve for x
    x = 23,027,189,913.86/160,985.19
  6. Step 6: Final answer
    x = 143,039.18

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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.