Home / 156,783.72-235,014.64-61,975.38

Finding the Fourth Proportional to 156,783.72, 235,014.64 and 61,975.38

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Solution

The fourth proportional to 156,783.72, 235,014.64 and 61,975.38 is: 92,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783.72 : 235,014.64 = 61,975.38 : x
  2. Step 2: Convert to fraction form
    156,783.72/235,014.64 = 61,975.38/x
  3. Step 3: Cross multiply
    156,783.72x = 235,014.64 × 61,975.38
  4. Step 4: Simplify right side
    156,783.72x = 14,565,121,619.56
  5. Step 5: Solve for x
    x = 14,565,121,619.56/156,783.72
  6. Step 6: Final answer
    x = 92,899.45

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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.