Home / 191,194.65-286,533.64-72,801.41

Finding the Fourth Proportional to 191,194.65, 286,533.64 and 72,801.41

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Solution

The fourth proportional to 191,194.65, 286,533.64 and 72,801.41 is: 109,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,194.65 : 286,533.64 = 72,801.41 : x
  2. Step 2: Convert to fraction form
    191,194.65/286,533.64 = 72,801.41/x
  3. Step 3: Cross multiply
    191,194.65x = 286,533.64 × 72,801.41
  4. Step 4: Simplify right side
    191,194.65x = 20,860,052,053.23
  5. Step 5: Solve for x
    x = 20,860,052,053.23/191,194.65
  6. Step 6: Final answer
    x = 109,103.74

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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.