Home / 315,727.27-473,437.40-105,294.13

Finding the Fourth Proportional to 315,727.27, 473,437.40 and 105,294.13

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Solution

The fourth proportional to 315,727.27, 473,437.40 and 105,294.13 is: 157,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,727.27 : 473,437.40 = 105,294.13 : x
  2. Step 2: Convert to fraction form
    315,727.27/473,437.40 = 105,294.13/x
  3. Step 3: Cross multiply
    315,727.27x = 473,437.40 × 105,294.13
  4. Step 4: Simplify right side
    315,727.27x = 49,850,179,142.46
  5. Step 5: Solve for x
    x = 49,850,179,142.46/315,727.27
  6. Step 6: Final answer
    x = 157,890.00

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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.