Home / 525,917.14-788,875.66-126,557.96

Finding the Fourth Proportional to 525,917.14, 788,875.66 and 126,557.96

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Solution

The fourth proportional to 525,917.14, 788,875.66 and 126,557.96 is: 189,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,917.14 : 788,875.66 = 126,557.96 : x
  2. Step 2: Convert to fraction form
    525,917.14/788,875.66 = 126,557.96/x
  3. Step 3: Cross multiply
    525,917.14x = 788,875.66 × 126,557.96
  4. Step 4: Simplify right side
    525,917.14x = 99,838,494,223.25
  5. Step 5: Solve for x
    x = 99,838,494,223.25/525,917.14
  6. Step 6: Final answer
    x = 189,836.93

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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.