Home / 115,926.80-173,890.20-56,800.40

Finding the Fourth Proportional to 115,926.80, 173,890.20 and 56,800.40

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Solution

The fourth proportional to 115,926.80, 173,890.20 and 56,800.40 is: 85,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,926.80 : 173,890.20 = 56,800.40 : x
  2. Step 2: Convert to fraction form
    115,926.80/173,890.20 = 56,800.40/x
  3. Step 3: Cross multiply
    115,926.80x = 173,890.20 × 56,800.40
  4. Step 4: Simplify right side
    115,926.80x = 9,877,032,916.08
  5. Step 5: Solve for x
    x = 9,877,032,916.08/115,926.80
  6. Step 6: Final answer
    x = 85,200.60

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1.5x scale

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.