Home / 355,947.60-533,921.40-169,323.60

Finding the Fourth Proportional to 355,947.60, 533,921.40 and 169,323.60

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Solution

The fourth proportional to 355,947.60, 533,921.40 and 169,323.60 is: 253,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,947.60 : 533,921.40 = 169,323.60 : x
  2. Step 2: Convert to fraction form
    355,947.60/533,921.40 = 169,323.60/x
  3. Step 3: Cross multiply
    355,947.60x = 533,921.40 × 169,323.60
  4. Step 4: Simplify right side
    355,947.60x = 90,405,493,565.04
  5. Step 5: Solve for x
    x = 90,405,493,565.04/355,947.60
  6. Step 6: Final answer
    x = 253,985.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.