Home / 128,094.06-192,141.65-53,214.14

Finding the Fourth Proportional to 128,094.06, 192,141.65 and 53,214.14

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Solution

The fourth proportional to 128,094.06, 192,141.65 and 53,214.14 is: 79,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,094.06 : 192,141.65 = 53,214.14 : x
  2. Step 2: Convert to fraction form
    128,094.06/192,141.65 = 53,214.14/x
  3. Step 3: Cross multiply
    128,094.06x = 192,141.65 × 53,214.14
  4. Step 4: Simplify right side
    128,094.06x = 10,224,653,276.32
  5. Step 5: Solve for x
    x = 10,224,653,276.32/128,094.06
  6. Step 6: Final answer
    x = 79,821.45

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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.