Home / 201,819.52-278,510.96-116,985.76

Finding the Fourth Proportional to 201,819.52, 278,510.96 and 116,985.76

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Solution

The fourth proportional to 201,819.52, 278,510.96 and 116,985.76 is: 161,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,819.52 : 278,510.96 = 116,985.76 : x
  2. Step 2: Convert to fraction form
    201,819.52/278,510.96 = 116,985.76/x
  3. Step 3: Cross multiply
    201,819.52x = 278,510.96 × 116,985.76
  4. Step 4: Simplify right side
    201,819.52x = 32,581,816,323.93
  5. Step 5: Solve for x
    x = 32,581,816,323.93/201,819.52
  6. Step 6: Final answer
    x = 161,440.36

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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.