Home / 162,478.41-224,144.62-105,136.23

Finding the Fourth Proportional to 162,478.41, 224,144.62 and 105,136.23

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Solution

The fourth proportional to 162,478.41, 224,144.62 and 105,136.23 is: 145,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,478.41 : 224,144.62 = 105,136.23 : x
  2. Step 2: Convert to fraction form
    162,478.41/224,144.62 = 105,136.23/x
  3. Step 3: Cross multiply
    162,478.41x = 224,144.62 × 105,136.23
  4. Step 4: Simplify right side
    162,478.41x = 23,565,719,638.47
  5. Step 5: Solve for x
    x = 23,565,719,638.47/162,478.41
  6. Step 6: Final answer
    x = 145,039.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.