Home / 450,946.64-676,403.56-135,395.35

Finding the Fourth Proportional to 450,946.64, 676,403.56 and 135,395.35

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Solution

The fourth proportional to 450,946.64, 676,403.56 and 135,395.35 is: 203,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,946.64 : 676,403.56 = 135,395.35 : x
  2. Step 2: Convert to fraction form
    450,946.64/676,403.56 = 135,395.35/x
  3. Step 3: Cross multiply
    450,946.64x = 676,403.56 × 135,395.35
  4. Step 4: Simplify right side
    450,946.64x = 91,581,892,688.45
  5. Step 5: Solve for x
    x = 91,581,892,688.45/450,946.64
  6. Step 6: Final answer
    x = 203,088.09

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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.