Home / 128,095.29-192,225.96-57,975.21

Finding the Fourth Proportional to 128,095.29, 192,225.96 and 57,975.21

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Solution

The fourth proportional to 128,095.29, 192,225.96 and 57,975.21 is: 87,000.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,095.29 : 192,225.96 = 57,975.21 : x
  2. Step 2: Convert to fraction form
    128,095.29/192,225.96 = 57,975.21/x
  3. Step 3: Cross multiply
    128,095.29x = 192,225.96 × 57,975.21
  4. Step 4: Simplify right side
    128,095.29x = 11,144,340,398.45
  5. Step 5: Solve for x
    x = 11,144,340,398.45/128,095.29
  6. Step 6: Final answer
    x = 87,000.39

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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.