Home / 160,415.52-221,366.24-88,790.48

Finding the Fourth Proportional to 160,415.52, 221,366.24 and 88,790.48

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Solution

The fourth proportional to 160,415.52, 221,366.24 and 88,790.48 is: 122,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,415.52 : 221,366.24 = 88,790.48 : x
  2. Step 2: Convert to fraction form
    160,415.52/221,366.24 = 88,790.48/x
  3. Step 3: Cross multiply
    160,415.52x = 221,366.24 × 88,790.48
  4. Step 4: Simplify right side
    160,415.52x = 19,655,214,705.40
  5. Step 5: Solve for x
    x = 19,655,214,705.40/160,415.52
  6. Step 6: Final answer
    x = 122,526.89

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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.