Home / 309,090.04-463,635.06-168,772.12

Finding the Fourth Proportional to 309,090.04, 463,635.06 and 168,772.12

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Solution

The fourth proportional to 309,090.04, 463,635.06 and 168,772.12 is: 253,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,090.04 : 463,635.06 = 168,772.12 : x
  2. Step 2: Convert to fraction form
    309,090.04/463,635.06 = 168,772.12/x
  3. Step 3: Cross multiply
    309,090.04x = 463,635.06 × 168,772.12
  4. Step 4: Simplify right side
    309,090.04x = 78,248,671,982.53
  5. Step 5: Solve for x
    x = 78,248,671,982.53/309,090.04
  6. Step 6: Final answer
    x = 253,158.18

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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.