Home / 159,050.36-219,489.96-91,068.40

Finding the Fourth Proportional to 159,050.36, 219,489.96 and 91,068.40

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Solution

The fourth proportional to 159,050.36, 219,489.96 and 91,068.40 is: 125,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,050.36 : 219,489.96 = 91,068.40 : x
  2. Step 2: Convert to fraction form
    159,050.36/219,489.96 = 91,068.40/x
  3. Step 3: Cross multiply
    159,050.36x = 219,489.96 × 91,068.40
  4. Step 4: Simplify right side
    159,050.36x = 19,988,599,473.26
  5. Step 5: Solve for x
    x = 19,988,599,473.26/159,050.36
  6. Step 6: Final answer
    x = 125,674.66

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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.