Home / 123,237.65-183,821.04-111,885.72

Finding the Fourth Proportional to 123,237.65, 183,821.04 and 111,885.72

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Solution

The fourth proportional to 123,237.65, 183,821.04 and 111,885.72 is: 166,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,237.65 : 183,821.04 = 111,885.72 : x
  2. Step 2: Convert to fraction form
    123,237.65/183,821.04 = 111,885.72/x
  3. Step 3: Cross multiply
    123,237.65x = 183,821.04 × 111,885.72
  4. Step 4: Simplify right side
    123,237.65x = 20,566,949,411.55
  5. Step 5: Solve for x
    x = 20,566,949,411.55/123,237.65
  6. Step 6: Final answer
    x = 166,888.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.