Home / 190,959.58-286,501.56-91,106.84

Finding the Fourth Proportional to 190,959.58, 286,501.56 and 91,106.84

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Solution

The fourth proportional to 190,959.58, 286,501.56 and 91,106.84 is: 136,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,959.58 : 286,501.56 = 91,106.84 : x
  2. Step 2: Convert to fraction form
    190,959.58/286,501.56 = 91,106.84/x
  3. Step 3: Cross multiply
    190,959.58x = 286,501.56 × 91,106.84
  4. Step 4: Simplify right side
    190,959.58x = 26,102,252,161.27
  5. Step 5: Solve for x
    x = 26,102,252,161.27/190,959.58
  6. Step 6: Final answer
    x = 136,689.93

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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.