Home / 315,588.16-473,207.10-105,111.28

Finding the Fourth Proportional to 315,588.16, 473,207.10 and 105,111.28

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Solution

The fourth proportional to 315,588.16, 473,207.10 and 105,111.28 is: 157,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,588.16 : 473,207.10 = 105,111.28 : x
  2. Step 2: Convert to fraction form
    315,588.16/473,207.10 = 105,111.28/x
  3. Step 3: Cross multiply
    315,588.16x = 473,207.10 × 105,111.28
  4. Step 4: Simplify right side
    315,588.16x = 49,739,403,986.09
  5. Step 5: Solve for x
    x = 49,739,403,986.09/315,588.16
  6. Step 6: Final answer
    x = 157,608.59

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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.