Home / 193,045.52-266,312.72-121,465.02

Finding the Fourth Proportional to 193,045.52, 266,312.72 and 121,465.02

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Solution

The fourth proportional to 193,045.52, 266,312.72 and 121,465.02 is: 167,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,045.52 : 266,312.72 = 121,465.02 : x
  2. Step 2: Convert to fraction form
    193,045.52/266,312.72 = 121,465.02/x
  3. Step 3: Cross multiply
    193,045.52x = 266,312.72 × 121,465.02
  4. Step 4: Simplify right side
    193,045.52x = 32,347,679,861.05
  5. Step 5: Solve for x
    x = 32,347,679,861.05/193,045.52
  6. Step 6: Final answer
    x = 167,565.04

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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.