Home / 133,345.23-183,929.72-85,522.83

Finding the Fourth Proportional to 133,345.23, 183,929.72 and 85,522.83

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Solution

The fourth proportional to 133,345.23, 183,929.72 and 85,522.83 is: 117,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345.23 : 183,929.72 = 85,522.83 : x
  2. Step 2: Convert to fraction form
    133,345.23/183,929.72 = 85,522.83/x
  3. Step 3: Cross multiply
    133,345.23x = 183,929.72 × 85,522.83
  4. Step 4: Simplify right side
    133,345.23x = 15,730,189,747.89
  5. Step 5: Solve for x
    x = 15,730,189,747.89/133,345.23
  6. Step 6: Final answer
    x = 117,965.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.