Home / 161,801.64-242,811.80-56,621.52

Finding the Fourth Proportional to 161,801.64, 242,811.80 and 56,621.52

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Solution

The fourth proportional to 161,801.64, 242,811.80 and 56,621.52 is: 84,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,801.64 : 242,811.80 = 56,621.52 : x
  2. Step 2: Convert to fraction form
    161,801.64/242,811.80 = 56,621.52/x
  3. Step 3: Cross multiply
    161,801.64x = 242,811.80 × 56,621.52
  4. Step 4: Simplify right side
    161,801.64x = 13,748,373,189.94
  5. Step 5: Solve for x
    x = 13,748,373,189.94/161,801.64
  6. Step 6: Final answer
    x = 84,970.54

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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.