Home / 190,864.36-286,259.60-57,713.40

Finding the Fourth Proportional to 190,864.36, 286,259.60 and 57,713.40

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Solution

The fourth proportional to 190,864.36, 286,259.60 and 57,713.40 is: 86,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,864.36 : 286,259.60 = 57,713.40 : x
  2. Step 2: Convert to fraction form
    190,864.36/286,259.60 = 57,713.40/x
  3. Step 3: Cross multiply
    190,864.36x = 286,259.60 × 57,713.40
  4. Step 4: Simplify right side
    190,864.36x = 16,521,014,798.64
  5. Step 5: Solve for x
    x = 16,521,014,798.64/190,864.36
  6. Step 6: Final answer
    x = 86,558.93

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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.