Home / 190,815.42-286,256.11-64,456.58

Finding the Fourth Proportional to 190,815.42, 286,256.11 and 64,456.58

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Solution

The fourth proportional to 190,815.42, 286,256.11 and 64,456.58 is: 96,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,815.42 : 286,256.11 = 64,456.58 : x
  2. Step 2: Convert to fraction form
    190,815.42/286,256.11 = 64,456.58/x
  3. Step 3: Cross multiply
    190,815.42x = 286,256.11 × 64,456.58
  4. Step 4: Simplify right side
    190,815.42x = 18,451,088,423.42
  5. Step 5: Solve for x
    x = 18,451,088,423.42/190,815.42
  6. Step 6: Final answer
    x = 96,696.00

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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.