Home / 156,737.35-235,206.83-86,666.95

Finding the Fourth Proportional to 156,737.35, 235,206.83 and 86,666.95

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Solution

The fourth proportional to 156,737.35, 235,206.83 and 86,666.95 is: 130,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,737.35 : 235,206.83 = 86,666.95 : x
  2. Step 2: Convert to fraction form
    156,737.35/235,206.83 = 86,666.95/x
  3. Step 3: Cross multiply
    156,737.35x = 235,206.83 × 86,666.95
  4. Step 4: Simplify right side
    156,737.35x = 20,384,658,575.27
  5. Step 5: Solve for x
    x = 20,384,658,575.27/156,737.35
  6. Step 6: Final answer
    x = 130,056.16

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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.