Home / 315,725.27-473,434.40-105,292.13

Finding the Fourth Proportional to 315,725.27, 473,434.40 and 105,292.13

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Solution

The fourth proportional to 315,725.27, 473,434.40 and 105,292.13 is: 157,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,725.27 : 473,434.40 = 105,292.13 : x
  2. Step 2: Convert to fraction form
    315,725.27/473,434.40 = 105,292.13/x
  3. Step 3: Cross multiply
    315,725.27x = 473,434.40 × 105,292.13
  4. Step 4: Simplify right side
    315,725.27x = 49,848,914,287.33
  5. Step 5: Solve for x
    x = 49,848,914,287.33/315,725.27
  6. Step 6: Final answer
    x = 157,887.00

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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.