Home / 182,102.16-272,985-115,340.40

Finding the Fourth Proportional to 182,102.16, 272,985 and 115,340.40

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Solution

The fourth proportional to 182,102.16, 272,985 and 115,340.40 is: 172,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,102.16 : 272,985 = 115,340.40 : x
  2. Step 2: Convert to fraction form
    182,102.16/272,985 = 115,340.40/x
  3. Step 3: Cross multiply
    182,102.16x = 272,985 × 115,340.40
  4. Step 4: Simplify right side
    182,102.16x = 31,486,199,094
  5. Step 5: Solve for x
    x = 31,486,199,094/182,102.16
  6. Step 6: Final answer
    x = 172,904.04

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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.