Home / 190,890.40-286,335.60-183,632.80

Finding the Fourth Proportional to 190,890.40, 286,335.60 and 183,632.80

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Solution

The fourth proportional to 190,890.40, 286,335.60 and 183,632.80 is: 275,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,890.40 : 286,335.60 = 183,632.80 : x
  2. Step 2: Convert to fraction form
    190,890.40/286,335.60 = 183,632.80/x
  3. Step 3: Cross multiply
    190,890.40x = 286,335.60 × 183,632.80
  4. Step 4: Simplify right side
    190,890.40x = 52,580,607,967.68
  5. Step 5: Solve for x
    x = 52,580,607,967.68/190,890.40
  6. Step 6: Final answer
    x = 275,449.20

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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.