Home / 190,788.17-286,182.26-66,129.17

Finding the Fourth Proportional to 190,788.17, 286,182.26 and 66,129.17

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Solution

The fourth proportional to 190,788.17, 286,182.26 and 66,129.17 is: 99,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,788.17 : 286,182.26 = 66,129.17 : x
  2. Step 2: Convert to fraction form
    190,788.17/286,182.26 = 66,129.17/x
  3. Step 3: Cross multiply
    190,788.17x = 286,182.26 × 66,129.17
  4. Step 4: Simplify right side
    190,788.17x = 18,924,995,322.52
  5. Step 5: Solve for x
    x = 18,924,995,322.52/190,788.17
  6. Step 6: Final answer
    x = 99,193.76

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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.