Home / 356,921.23-492,547.40-195,775.69

Finding the Fourth Proportional to 356,921.23, 492,547.40 and 195,775.69

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Solution

The fourth proportional to 356,921.23, 492,547.40 and 195,775.69 is: 270,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,921.23 : 492,547.40 = 195,775.69 : x
  2. Step 2: Convert to fraction form
    356,921.23/492,547.40 = 195,775.69/x
  3. Step 3: Cross multiply
    356,921.23x = 492,547.40 × 195,775.69
  4. Step 4: Simplify right side
    356,921.23x = 96,428,806,113.83
  5. Step 5: Solve for x
    x = 96,428,806,113.83/356,921.23
  6. Step 6: Final answer
    x = 270,168.31

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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.