Home / 170,457.86-235,179.70-98,823.58

Finding the Fourth Proportional to 170,457.86, 235,179.70 and 98,823.58

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Solution

The fourth proportional to 170,457.86, 235,179.70 and 98,823.58 is: 136,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,457.86 : 235,179.70 = 98,823.58 : x
  2. Step 2: Convert to fraction form
    170,457.86/235,179.70 = 98,823.58/x
  3. Step 3: Cross multiply
    170,457.86x = 235,179.70 × 98,823.58
  4. Step 4: Simplify right side
    170,457.86x = 23,241,298,721.43
  5. Step 5: Solve for x
    x = 23,241,298,721.43/170,457.86
  6. Step 6: Final answer
    x = 136,346.31

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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.