Home / 123,475.36-184,685.58-103,088.20

Finding the Fourth Proportional to 123,475.36, 184,685.58 and 103,088.20

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Solution

The fourth proportional to 123,475.36, 184,685.58 and 103,088.20 is: 154,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,475.36 : 184,685.58 = 103,088.20 : x
  2. Step 2: Convert to fraction form
    123,475.36/184,685.58 = 103,088.20/x
  3. Step 3: Cross multiply
    123,475.36x = 184,685.58 × 103,088.20
  4. Step 4: Simplify right side
    123,475.36x = 19,038,904,008.16
  5. Step 5: Solve for x
    x = 19,038,904,008.16/123,475.36
  6. Step 6: Final answer
    x = 154,191.93

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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.