Home / 224,113.22-309,267.21-122,136.51

Finding the Fourth Proportional to 224,113.22, 309,267.21 and 122,136.51

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Solution

The fourth proportional to 224,113.22, 309,267.21 and 122,136.51 is: 168,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,113.22 : 309,267.21 = 122,136.51 : x
  2. Step 2: Convert to fraction form
    224,113.22/309,267.21 = 122,136.51/x
  3. Step 3: Cross multiply
    224,113.22x = 309,267.21 × 122,136.51
  4. Step 4: Simplify right side
    224,113.22x = 37,772,817,686.84
  5. Step 5: Solve for x
    x = 37,772,817,686.84/224,113.22
  6. Step 6: Final answer
    x = 168,543.46

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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.