Home / 170,625.40-255,987.28-52,314.18

Finding the Fourth Proportional to 170,625.40, 255,987.28 and 52,314.18

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Solution

The fourth proportional to 170,625.40, 255,987.28 and 52,314.18 is: 78,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,625.40 : 255,987.28 = 52,314.18 : x
  2. Step 2: Convert to fraction form
    170,625.40/255,987.28 = 52,314.18/x
  3. Step 3: Cross multiply
    170,625.40x = 255,987.28 × 52,314.18
  4. Step 4: Simplify right side
    170,625.40x = 13,391,764,643.63
  5. Step 5: Solve for x
    x = 13,391,764,643.63/170,625.40
  6. Step 6: Final answer
    x = 78,486.35

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1.5x scale

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.