Home / 189,427.60-283,795.80-154,176.40

Finding the Fourth Proportional to 189,427.60, 283,795.80 and 154,176.40

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Solution

The fourth proportional to 189,427.60, 283,795.80 and 154,176.40 is: 230,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,427.60 : 283,795.80 = 154,176.40 : x
  2. Step 2: Convert to fraction form
    189,427.60/283,795.80 = 154,176.40/x
  3. Step 3: Cross multiply
    189,427.60x = 283,795.80 × 154,176.40
  4. Step 4: Simplify right side
    189,427.60x = 43,754,614,779.12
  5. Step 5: Solve for x
    x = 43,754,614,779.12/189,427.60
  6. Step 6: Final answer
    x = 230,983.31

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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.