Home / 456,913.68-685,443.96-157,320.60

Finding the Fourth Proportional to 456,913.68, 685,443.96 and 157,320.60

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Solution

The fourth proportional to 456,913.68, 685,443.96 and 157,320.60 is: 236,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,913.68 : 685,443.96 = 157,320.60 : x
  2. Step 2: Convert to fraction form
    456,913.68/685,443.96 = 157,320.60/x
  3. Step 3: Cross multiply
    456,913.68x = 685,443.96 × 157,320.60
  4. Step 4: Simplify right side
    456,913.68x = 107,834,455,053.58
  5. Step 5: Solve for x
    x = 107,834,455,053.58/456,913.68
  6. Step 6: Final answer
    x = 236,006.19

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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.