Home / 242,077.40-363,116.10-186,090.20

Finding the Fourth Proportional to 242,077.40, 363,116.10 and 186,090.20

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Solution

The fourth proportional to 242,077.40, 363,116.10 and 186,090.20 is: 279,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,077.40 : 363,116.10 = 186,090.20 : x
  2. Step 2: Convert to fraction form
    242,077.40/363,116.10 = 186,090.20/x
  3. Step 3: Cross multiply
    242,077.40x = 363,116.10 × 186,090.20
  4. Step 4: Simplify right side
    242,077.40x = 67,572,347,672.22
  5. Step 5: Solve for x
    x = 67,572,347,672.22/242,077.40
  6. Step 6: Final answer
    x = 279,135.30

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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.