Home / 145,567.41-200,882.64-81,905.28

Finding the Fourth Proportional to 145,567.41, 200,882.64 and 81,905.28

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Solution

The fourth proportional to 145,567.41, 200,882.64 and 81,905.28 is: 113,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,567.41 : 200,882.64 = 81,905.28 : x
  2. Step 2: Convert to fraction form
    145,567.41/200,882.64 = 81,905.28/x
  3. Step 3: Cross multiply
    145,567.41x = 200,882.64 × 81,905.28
  4. Step 4: Simplify right side
    145,567.41x = 16,453,348,876.34
  5. Step 5: Solve for x
    x = 16,453,348,876.34/145,567.41
  6. Step 6: Final answer
    x = 113,029.07

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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.