Home / 190,967.80-286,315.44-89,709.34

Finding the Fourth Proportional to 190,967.80, 286,315.44 and 89,709.34

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Solution

The fourth proportional to 190,967.80, 286,315.44 and 89,709.34 is: 134,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,967.80 : 286,315.44 = 89,709.34 : x
  2. Step 2: Convert to fraction form
    190,967.80/286,315.44 = 89,709.34/x
  3. Step 3: Cross multiply
    190,967.80x = 286,315.44 × 89,709.34
  4. Step 4: Simplify right side
    190,967.80x = 25,685,169,154.21
  5. Step 5: Solve for x
    x = 25,685,169,154.21/190,967.80
  6. Step 6: Final answer
    x = 134,500.00

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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.