Home / 171,690.40-236,828.08-113,547.04

Finding the Fourth Proportional to 171,690.40, 236,828.08 and 113,547.04

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Solution

The fourth proportional to 171,690.40, 236,828.08 and 113,547.04 is: 156,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,690.40 : 236,828.08 = 113,547.04 : x
  2. Step 2: Convert to fraction form
    171,690.40/236,828.08 = 113,547.04/x
  3. Step 3: Cross multiply
    171,690.40x = 236,828.08 × 113,547.04
  4. Step 4: Simplify right side
    171,690.40x = 26,891,127,472.88
  5. Step 5: Solve for x
    x = 26,891,127,472.88/171,690.40
  6. Step 6: Final answer
    x = 156,625.69

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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.