Home / 224,281.80-309,497.22-139,397.04

Finding the Fourth Proportional to 224,281.80, 309,497.22 and 139,397.04

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Solution

The fourth proportional to 224,281.80, 309,497.22 and 139,397.04 is: 192,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,281.80 : 309,497.22 = 139,397.04 : x
  2. Step 2: Convert to fraction form
    224,281.80/309,497.22 = 139,397.04/x
  3. Step 3: Cross multiply
    224,281.80x = 309,497.22 × 139,397.04
  4. Step 4: Simplify right side
    224,281.80x = 43,142,996,356.23
  5. Step 5: Solve for x
    x = 43,142,996,356.23/224,281.80
  6. Step 6: Final answer
    x = 192,360.67

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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.