Home / 123,210.40-184,815.60-116,795.20

Finding the Fourth Proportional to 123,210.40, 184,815.60 and 116,795.20

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Solution

The fourth proportional to 123,210.40, 184,815.60 and 116,795.20 is: 175,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210.40 : 184,815.60 = 116,795.20 : x
  2. Step 2: Convert to fraction form
    123,210.40/184,815.60 = 116,795.20/x
  3. Step 3: Cross multiply
    123,210.40x = 184,815.60 × 116,795.20
  4. Step 4: Simplify right side
    123,210.40x = 21,585,574,965.12
  5. Step 5: Solve for x
    x = 21,585,574,965.12/123,210.40
  6. Step 6: Final answer
    x = 175,192.80

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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.