Home / 185,075.52-255,404.20-103,403.79

Finding the Fourth Proportional to 185,075.52, 255,404.20 and 103,403.79

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Solution

The fourth proportional to 185,075.52, 255,404.20 and 103,403.79 is: 142,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,075.52 : 255,404.20 = 103,403.79 : x
  2. Step 2: Convert to fraction form
    185,075.52/255,404.20 = 103,403.79/x
  3. Step 3: Cross multiply
    185,075.52x = 255,404.20 × 103,403.79
  4. Step 4: Simplify right side
    185,075.52x = 26,409,762,342.70
  5. Step 5: Solve for x
    x = 26,409,762,342.70/185,075.52
  6. Step 6: Final answer
    x = 142,697.22

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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.