Home / 210,127.17-289,969.75-114,633.84

Finding the Fourth Proportional to 210,127.17, 289,969.75 and 114,633.84

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Solution

The fourth proportional to 210,127.17, 289,969.75 and 114,633.84 is: 158,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,127.17 : 289,969.75 = 114,633.84 : x
  2. Step 2: Convert to fraction form
    210,127.17/289,969.75 = 114,633.84/x
  3. Step 3: Cross multiply
    210,127.17x = 289,969.75 × 114,633.84
  4. Step 4: Simplify right side
    210,127.17x = 33,240,345,926.34
  5. Step 5: Solve for x
    x = 33,240,345,926.34/210,127.17
  6. Step 6: Final answer
    x = 158,191.57

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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.