Home / 190,547.28-262,936.29-110,000.76

Finding the Fourth Proportional to 190,547.28, 262,936.29 and 110,000.76

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Solution

The fourth proportional to 190,547.28, 262,936.29 and 110,000.76 is: 151,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,547.28 : 262,936.29 = 110,000.76 : x
  2. Step 2: Convert to fraction form
    190,547.28/262,936.29 = 110,000.76/x
  3. Step 3: Cross multiply
    190,547.28x = 262,936.29 × 110,000.76
  4. Step 4: Simplify right side
    190,547.28x = 28,923,191,731.58
  5. Step 5: Solve for x
    x = 28,923,191,731.58/190,547.28
  6. Step 6: Final answer
    x = 151,790.11

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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.