Home / 315,372.40-473,134.20-105,012.24

Finding the Fourth Proportional to 315,372.40, 473,134.20 and 105,012.24

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Solution

The fourth proportional to 315,372.40, 473,134.20 and 105,012.24 is: 157,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,372.40 : 473,134.20 = 105,012.24 : x
  2. Step 2: Convert to fraction form
    315,372.40/473,134.20 = 105,012.24/x
  3. Step 3: Cross multiply
    315,372.40x = 473,134.20 × 105,012.24
  4. Step 4: Simplify right side
    315,372.40x = 49,684,882,162.61
  5. Step 5: Solve for x
    x = 49,684,882,162.61/315,372.40
  6. Step 6: Final answer
    x = 157,543.53

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1.5x scale

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.