Home / 190,036.60-285,064.08-49,795.36

Finding the Fourth Proportional to 190,036.60, 285,064.08 and 49,795.36

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Solution

The fourth proportional to 190,036.60, 285,064.08 and 49,795.36 is: 74,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,036.60 : 285,064.08 = 49,795.36 : x
  2. Step 2: Convert to fraction form
    190,036.60/285,064.08 = 49,795.36/x
  3. Step 3: Cross multiply
    190,036.60x = 285,064.08 × 49,795.36
  4. Step 4: Simplify right side
    190,036.60x = 14,194,868,486.67
  5. Step 5: Solve for x
    x = 14,194,868,486.67/190,036.60
  6. Step 6: Final answer
    x = 74,695.45

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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.