Home / 141,038.10-194,631.44-76,507.16

Finding the Fourth Proportional to 141,038.10, 194,631.44 and 76,507.16

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Solution

The fourth proportional to 141,038.10, 194,631.44 and 76,507.16 is: 105,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,038.10 : 194,631.44 = 76,507.16 : x
  2. Step 2: Convert to fraction form
    141,038.10/194,631.44 = 76,507.16/x
  3. Step 3: Cross multiply
    141,038.10x = 194,631.44 × 76,507.16
  4. Step 4: Simplify right side
    141,038.10x = 14,890,697,365.42
  5. Step 5: Solve for x
    x = 14,890,697,365.42/141,038.10
  6. Step 6: Final answer
    x = 105,579.25

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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.