Home / 229,268.30-316,427.90-133,774.76

Finding the Fourth Proportional to 229,268.30, 316,427.90 and 133,774.76

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Solution

The fourth proportional to 229,268.30, 316,427.90 and 133,774.76 is: 184,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,268.30 : 316,427.90 = 133,774.76 : x
  2. Step 2: Convert to fraction form
    229,268.30/316,427.90 = 133,774.76/x
  3. Step 3: Cross multiply
    229,268.30x = 316,427.90 × 133,774.76
  4. Step 4: Simplify right side
    229,268.30x = 42,330,064,128.79
  5. Step 5: Solve for x
    x = 42,330,064,128.79/229,268.30
  6. Step 6: Final answer
    x = 184,631.13

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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.