Home / 170,609.49-235,418.40-98,979.17

Finding the Fourth Proportional to 170,609.49, 235,418.40 and 98,979.17

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Solution

The fourth proportional to 170,609.49, 235,418.40 and 98,979.17 is: 136,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,609.49 : 235,418.40 = 98,979.17 : x
  2. Step 2: Convert to fraction form
    170,609.49/235,418.40 = 98,979.17/x
  3. Step 3: Cross multiply
    170,609.49x = 235,418.40 × 98,979.17
  4. Step 4: Simplify right side
    170,609.49x = 23,301,516,657.64
  5. Step 5: Solve for x
    x = 23,301,516,657.64/170,609.49
  6. Step 6: Final answer
    x = 136,578.08

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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.