Home / 191,111.32-263,733.79-105,071.77

Finding the Fourth Proportional to 191,111.32, 263,733.79 and 105,071.77

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Solution

The fourth proportional to 191,111.32, 263,733.79 and 105,071.77 is: 144,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,111.32 : 263,733.79 = 105,071.77 : x
  2. Step 2: Convert to fraction form
    191,111.32/263,733.79 = 105,071.77/x
  3. Step 3: Cross multiply
    191,111.32x = 263,733.79 × 105,071.77
  4. Step 4: Simplify right side
    191,111.32x = 27,710,976,124.11
  5. Step 5: Solve for x
    x = 27,710,976,124.11/191,111.32
  6. Step 6: Final answer
    x = 144,999.14

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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.