Home / 201,903.65-302,569.73-111,985.95

Finding the Fourth Proportional to 201,903.65, 302,569.73 and 111,985.95

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Solution

The fourth proportional to 201,903.65, 302,569.73 and 111,985.95 is: 167,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,903.65 : 302,569.73 = 111,985.95 : x
  2. Step 2: Convert to fraction form
    201,903.65/302,569.73 = 111,985.95/x
  3. Step 3: Cross multiply
    201,903.65x = 302,569.73 × 111,985.95
  4. Step 4: Simplify right side
    201,903.65x = 33,883,558,655.29
  5. Step 5: Solve for x
    x = 33,883,558,655.29/201,903.65
  6. Step 6: Final answer
    x = 167,820.44

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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.