Home / 190,284.16-262,593.12-123,332.80

Finding the Fourth Proportional to 190,284.16, 262,593.12 and 123,332.80

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Solution

The fourth proportional to 190,284.16, 262,593.12 and 123,332.80 is: 170,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,284.16 : 262,593.12 = 123,332.80 : x
  2. Step 2: Convert to fraction form
    190,284.16/262,593.12 = 123,332.80/x
  3. Step 3: Cross multiply
    190,284.16x = 262,593.12 × 123,332.80
  4. Step 4: Simplify right side
    190,284.16x = 32,386,344,750.34
  5. Step 5: Solve for x
    x = 32,386,344,750.34/190,284.16
  6. Step 6: Final answer
    x = 170,199.90

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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.