Home / 191,927.80-264,868.38-105,886.36

Finding the Fourth Proportional to 191,927.80, 264,868.38 and 105,886.36

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Solution

The fourth proportional to 191,927.80, 264,868.38 and 105,886.36 is: 146,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,927.80 : 264,868.38 = 105,886.36 : x
  2. Step 2: Convert to fraction form
    191,927.80/264,868.38 = 105,886.36/x
  3. Step 3: Cross multiply
    191,927.80x = 264,868.38 × 105,886.36
  4. Step 4: Simplify right side
    191,927.80x = 28,045,948,637.30
  5. Step 5: Solve for x
    x = 28,045,948,637.30/191,927.80
  6. Step 6: Final answer
    x = 146,127.60

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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.