Home / 156,436.81-234,516.04-56,574.80

Finding the Fourth Proportional to 156,436.81, 234,516.04 and 56,574.80

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Solution

The fourth proportional to 156,436.81, 234,516.04 and 56,574.80 is: 84,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,436.81 : 234,516.04 = 56,574.80 : x
  2. Step 2: Convert to fraction form
    156,436.81/234,516.04 = 56,574.80/x
  3. Step 3: Cross multiply
    156,436.81x = 234,516.04 × 56,574.80
  4. Step 4: Simplify right side
    156,436.81x = 13,267,697,943.44
  5. Step 5: Solve for x
    x = 13,267,697,943.44/156,436.81
  6. Step 6: Final answer
    x = 84,811.87

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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.