Home / 171,172.39-236,235.55-98,577.66

Finding the Fourth Proportional to 171,172.39, 236,235.55 and 98,577.66

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Solution

The fourth proportional to 171,172.39, 236,235.55 and 98,577.66 is: 136,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,172.39 : 236,235.55 = 98,577.66 : x
  2. Step 2: Convert to fraction form
    171,172.39/236,235.55 = 98,577.66/x
  3. Step 3: Cross multiply
    171,172.39x = 236,235.55 × 98,577.66
  4. Step 4: Simplify right side
    171,172.39x = 23,287,547,673.79
  5. Step 5: Solve for x
    x = 23,287,547,673.79/171,172.39
  6. Step 6: Final answer
    x = 136,047.34

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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.