Home / 190,712.42-286,068.62-148,623.98

Finding the Fourth Proportional to 190,712.42, 286,068.62 and 148,623.98

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Solution

The fourth proportional to 190,712.42, 286,068.62 and 148,623.98 is: 222,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,712.42 : 286,068.62 = 148,623.98 : x
  2. Step 2: Convert to fraction form
    190,712.42/286,068.62 = 148,623.98/x
  3. Step 3: Cross multiply
    190,712.42x = 286,068.62 × 148,623.98
  4. Step 4: Simplify right side
    190,712.42x = 42,516,656,857.51
  5. Step 5: Solve for x
    x = 42,516,656,857.51/190,712.42
  6. Step 6: Final answer
    x = 222,935.97

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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.