Home / 185,487.16-255,948.96-103,813.24

Finding the Fourth Proportional to 185,487.16, 255,948.96 and 103,813.24

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Solution

The fourth proportional to 185,487.16, 255,948.96 and 103,813.24 is: 143,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,487.16 : 255,948.96 = 103,813.24 : x
  2. Step 2: Convert to fraction form
    185,487.16/255,948.96 = 103,813.24/x
  3. Step 3: Cross multiply
    185,487.16x = 255,948.96 × 103,813.24
  4. Step 4: Simplify right side
    185,487.16x = 26,570,890,812.23
  5. Step 5: Solve for x
    x = 26,570,890,812.23/185,487.16
  6. Step 6: Final answer
    x = 143,249.22

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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.