Home / 160,533.76-221,685.50-120,177.46

Finding the Fourth Proportional to 160,533.76, 221,685.50 and 120,177.46

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Solution

The fourth proportional to 160,533.76, 221,685.50 and 120,177.46 is: 165,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,533.76 : 221,685.50 = 120,177.46 : x
  2. Step 2: Convert to fraction form
    160,533.76/221,685.50 = 120,177.46/x
  3. Step 3: Cross multiply
    160,533.76x = 221,685.50 × 120,177.46
  4. Step 4: Simplify right side
    160,533.76x = 26,641,599,301.40
  5. Step 5: Solve for x
    x = 26,641,599,301.40/160,533.76
  6. Step 6: Final answer
    x = 165,956.37

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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.