Home / 191,100.86-263,116.86-173,386.16

Finding the Fourth Proportional to 191,100.86, 263,116.86 and 173,386.16

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Solution

The fourth proportional to 191,100.86, 263,116.86 and 173,386.16 is: 238,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,100.86 : 263,116.86 = 173,386.16 : x
  2. Step 2: Convert to fraction form
    191,100.86/263,116.86 = 173,386.16/x
  3. Step 3: Cross multiply
    191,100.86x = 263,116.86 × 173,386.16
  4. Step 4: Simplify right side
    191,100.86x = 45,620,821,986.66
  5. Step 5: Solve for x
    x = 45,620,821,986.66/191,100.86
  6. Step 6: Final answer
    x = 238,726.41

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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.