Home / 190,966.80-286,313.94-89,708.34

Finding the Fourth Proportional to 190,966.80, 286,313.94 and 89,708.34

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Solution

The fourth proportional to 190,966.80, 286,313.94 and 89,708.34 is: 134,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,966.80 : 286,313.94 = 89,708.34 : x
  2. Step 2: Convert to fraction form
    190,966.80/286,313.94 = 89,708.34/x
  3. Step 3: Cross multiply
    190,966.80x = 286,313.94 × 89,708.34
  4. Step 4: Simplify right side
    190,966.80x = 25,684,748,276.26
  5. Step 5: Solve for x
    x = 25,684,748,276.26/190,966.80
  6. Step 6: Final answer
    x = 134,498.50

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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.