Home / 116,699.28-161,045.67-66,398.28

Finding the Fourth Proportional to 116,699.28, 161,045.67 and 66,398.28

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Solution

The fourth proportional to 116,699.28, 161,045.67 and 66,398.28 is: 91,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,699.28 : 161,045.67 = 66,398.28 : x
  2. Step 2: Convert to fraction form
    116,699.28/161,045.67 = 66,398.28/x
  3. Step 3: Cross multiply
    116,699.28x = 161,045.67 × 66,398.28
  4. Step 4: Simplify right side
    116,699.28x = 10,693,155,489.45
  5. Step 5: Solve for x
    x = 10,693,155,489.45/116,699.28
  6. Step 6: Final answer
    x = 91,630.00

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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.