Home / 170,238.47-255,316.68-75,416.22

Finding the Fourth Proportional to 170,238.47, 255,316.68 and 75,416.22

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Solution

The fourth proportional to 170,238.47, 255,316.68 and 75,416.22 is: 113,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,238.47 : 255,316.68 = 75,416.22 : x
  2. Step 2: Convert to fraction form
    170,238.47/255,316.68 = 75,416.22/x
  3. Step 3: Cross multiply
    170,238.47x = 255,316.68 × 75,416.22
  4. Step 4: Simplify right side
    170,238.47x = 19,255,018,908.55
  5. Step 5: Solve for x
    x = 19,255,018,908.55/170,238.47
  6. Step 6: Final answer
    x = 113,106.16

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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.