Home / 315,702.09-473,557.24-105,340.03

Finding the Fourth Proportional to 315,702.09, 473,557.24 and 105,340.03

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Solution

The fourth proportional to 315,702.09, 473,557.24 and 105,340.03 is: 158,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,702.09 : 473,557.24 = 105,340.03 : x
  2. Step 2: Convert to fraction form
    315,702.09/473,557.24 = 105,340.03/x
  3. Step 3: Cross multiply
    315,702.09x = 473,557.24 × 105,340.03
  4. Step 4: Simplify right side
    315,702.09x = 49,884,531,224.65
  5. Step 5: Solve for x
    x = 49,884,531,224.65/315,702.09
  6. Step 6: Final answer
    x = 158,011.41

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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.