Home / 292,487.06-438,730.73-105,498.56

Finding the Fourth Proportional to 292,487.06, 438,730.73 and 105,498.56

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Solution

The fourth proportional to 292,487.06, 438,730.73 and 105,498.56 is: 158,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,487.06 : 438,730.73 = 105,498.56 : x
  2. Step 2: Convert to fraction form
    292,487.06/438,730.73 = 105,498.56/x
  3. Step 3: Cross multiply
    292,487.06x = 438,730.73 × 105,498.56
  4. Step 4: Simplify right side
    292,487.06x = 46,285,460,242.75
  5. Step 5: Solve for x
    x = 46,285,460,242.75/292,487.06
  6. Step 6: Final answer
    x = 158,247.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.