Home / 207,094.27-285,886.38-156,127.72

Finding the Fourth Proportional to 207,094.27, 285,886.38 and 156,127.72

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Solution

The fourth proportional to 207,094.27, 285,886.38 and 156,127.72 is: 215,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,094.27 : 285,886.38 = 156,127.72 : x
  2. Step 2: Convert to fraction form
    207,094.27/285,886.38 = 156,127.72/x
  3. Step 3: Cross multiply
    207,094.27x = 285,886.38 × 156,127.72
  4. Step 4: Simplify right side
    207,094.27x = 44,634,788,688.45
  5. Step 5: Solve for x
    x = 44,634,788,688.45/207,094.27
  6. Step 6: Final answer
    x = 215,528.84

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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.