Home / 128,069.40-192,088.98-34,582.44

Finding the Fourth Proportional to 128,069.40, 192,088.98 and 34,582.44

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Solution

The fourth proportional to 128,069.40, 192,088.98 and 34,582.44 is: 51,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,069.40 : 192,088.98 = 34,582.44 : x
  2. Step 2: Convert to fraction form
    128,069.40/192,088.98 = 34,582.44/x
  3. Step 3: Cross multiply
    128,069.40x = 192,088.98 × 34,582.44
  4. Step 4: Simplify right side
    128,069.40x = 6,642,905,625.51
  5. Step 5: Solve for x
    x = 6,642,905,625.51/128,069.40
  6. Step 6: Final answer
    x = 51,869.58

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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.