Home / 258,969.27-357,395.55-156,999.03

Finding the Fourth Proportional to 258,969.27, 357,395.55 and 156,999.03

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Solution

The fourth proportional to 258,969.27, 357,395.55 and 156,999.03 is: 216,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,969.27 : 357,395.55 = 156,999.03 : x
  2. Step 2: Convert to fraction form
    258,969.27/357,395.55 = 156,999.03/x
  3. Step 3: Cross multiply
    258,969.27x = 357,395.55 × 156,999.03
  4. Step 4: Simplify right side
    258,969.27x = 56,110,754,676.32
  5. Step 5: Solve for x
    x = 56,110,754,676.32/258,969.27
  6. Step 6: Final answer
    x = 216,669.55

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1.5x scale

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.