Home / 315,868.60-473,827.74-105,507.28

Finding the Fourth Proportional to 315,868.60, 473,827.74 and 105,507.28

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Solution

The fourth proportional to 315,868.60, 473,827.74 and 105,507.28 is: 158,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,868.60 : 473,827.74 = 105,507.28 : x
  2. Step 2: Convert to fraction form
    315,868.60/473,827.74 = 105,507.28/x
  3. Step 3: Cross multiply
    315,868.60x = 473,827.74 × 105,507.28
  4. Step 4: Simplify right side
    315,868.60x = 49,992,276,035.95
  5. Step 5: Solve for x
    x = 49,992,276,035.95/315,868.60
  6. Step 6: Final answer
    x = 158,269.22

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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.