Home / 245,723.12-368,742.10-119,294.47

Finding the Fourth Proportional to 245,723.12, 368,742.10 and 119,294.47

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Solution

The fourth proportional to 245,723.12, 368,742.10 and 119,294.47 is: 179,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,723.12 : 368,742.10 = 119,294.47 : x
  2. Step 2: Convert to fraction form
    245,723.12/368,742.10 = 119,294.47/x
  3. Step 3: Cross multiply
    245,723.12x = 368,742.10 × 119,294.47
  4. Step 4: Simplify right side
    245,723.12x = 43,988,893,437.04
  5. Step 5: Solve for x
    x = 43,988,893,437.04/245,723.12
  6. Step 6: Final answer
    x = 179,018.13

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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.