Home / 224,432.48-309,715.23-127,636.37

Finding the Fourth Proportional to 224,432.48, 309,715.23 and 127,636.37

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Solution

The fourth proportional to 224,432.48, 309,715.23 and 127,636.37 is: 176,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,432.48 : 309,715.23 = 127,636.37 : x
  2. Step 2: Convert to fraction form
    224,432.48/309,715.23 = 127,636.37/x
  3. Step 3: Cross multiply
    224,432.48x = 309,715.23 × 127,636.37
  4. Step 4: Simplify right side
    224,432.48x = 39,530,928,038.46
  5. Step 5: Solve for x
    x = 39,530,928,038.46/224,432.48
  6. Step 6: Final answer
    x = 176,137.28

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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.