Home / 191,025.60-263,533.64-119,356.80

Finding the Fourth Proportional to 191,025.60, 263,533.64 and 119,356.80

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Solution

The fourth proportional to 191,025.60, 263,533.64 and 119,356.80 is: 164,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,025.60 : 263,533.64 = 119,356.80 : x
  2. Step 2: Convert to fraction form
    191,025.60/263,533.64 = 119,356.80/x
  3. Step 3: Cross multiply
    191,025.60x = 263,533.64 × 119,356.80
  4. Step 4: Simplify right side
    191,025.60x = 31,454,531,962.75
  5. Step 5: Solve for x
    x = 31,454,531,962.75/191,025.60
  6. Step 6: Final answer
    x = 164,661.34

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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.