Home / 315,933.78-473,925.18-105,572.46

Finding the Fourth Proportional to 315,933.78, 473,925.18 and 105,572.46

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Solution

The fourth proportional to 315,933.78, 473,925.18 and 105,572.46 is: 158,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,933.78 : 473,925.18 = 105,572.46 : x
  2. Step 2: Convert to fraction form
    315,933.78/473,925.18 = 105,572.46/x
  3. Step 3: Cross multiply
    315,933.78x = 473,925.18 × 105,572.46
  4. Step 4: Simplify right side
    315,933.78x = 50,033,447,108.54
  5. Step 5: Solve for x
    x = 50,033,447,108.54/315,933.78
  6. Step 6: Final answer
    x = 158,366.88

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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.