Home / 156,908.90-235,289.42-56,998.64

Finding the Fourth Proportional to 156,908.90, 235,289.42 and 56,998.64

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Solution

The fourth proportional to 156,908.90, 235,289.42 and 56,998.64 is: 85,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,908.90 : 235,289.42 = 56,998.64 : x
  2. Step 2: Convert to fraction form
    156,908.90/235,289.42 = 56,998.64/x
  3. Step 3: Cross multiply
    156,908.90x = 235,289.42 × 56,998.64
  4. Step 4: Simplify right side
    156,908.90x = 13,411,176,946.39
  5. Step 5: Solve for x
    x = 13,411,176,946.39/156,908.90
  6. Step 6: Final answer
    x = 85,471.10

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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.