Home / 525,210.23-787,918.55-188,160.05

Finding the Fourth Proportional to 525,210.23, 787,918.55 and 188,160.05

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Solution

The fourth proportional to 525,210.23, 787,918.55 and 188,160.05 is: 282,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,210.23 : 787,918.55 = 188,160.05 : x
  2. Step 2: Convert to fraction form
    525,210.23/787,918.55 = 188,160.05/x
  3. Step 3: Cross multiply
    525,210.23x = 787,918.55 × 188,160.05
  4. Step 4: Simplify right side
    525,210.23x = 148,254,788,883.54
  5. Step 5: Solve for x
    x = 148,254,788,883.54/525,210.23
  6. Step 6: Final answer
    x = 282,277.04

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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.