Home / 145,916.96-219,036.72-104,548.64

Finding the Fourth Proportional to 145,916.96, 219,036.72 and 104,548.64

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Solution

The fourth proportional to 145,916.96, 219,036.72 and 104,548.64 is: 156,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,916.96 : 219,036.72 = 104,548.64 : x
  2. Step 2: Convert to fraction form
    145,916.96/219,036.72 = 104,548.64/x
  3. Step 3: Cross multiply
    145,916.96x = 219,036.72 × 104,548.64
  4. Step 4: Simplify right side
    145,916.96x = 22,899,991,186.06
  5. Step 5: Solve for x
    x = 22,899,991,186.06/145,916.96
  6. Step 6: Final answer
    x = 156,938.52

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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.