Home / 190,948.20-286,349.40-57,784.20

Finding the Fourth Proportional to 190,948.20, 286,349.40 and 57,784.20

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Solution

The fourth proportional to 190,948.20, 286,349.40 and 57,784.20 is: 86,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,948.20 : 286,349.40 = 57,784.20 : x
  2. Step 2: Convert to fraction form
    190,948.20/286,349.40 = 57,784.20/x
  3. Step 3: Cross multiply
    190,948.20x = 286,349.40 × 57,784.20
  4. Step 4: Simplify right side
    190,948.20x = 16,546,470,999.48
  5. Step 5: Solve for x
    x = 16,546,470,999.48/190,948.20
  6. Step 6: Final answer
    x = 86,654.24

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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.