Home / 190,678.38-286,019.60-57,559.74

Finding the Fourth Proportional to 190,678.38, 286,019.60 and 57,559.74

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Solution

The fourth proportional to 190,678.38, 286,019.60 and 57,559.74 is: 86,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,678.38 : 286,019.60 = 57,559.74 : x
  2. Step 2: Convert to fraction form
    190,678.38/286,019.60 = 57,559.74/x
  3. Step 3: Cross multiply
    190,678.38x = 286,019.60 × 57,559.74
  4. Step 4: Simplify right side
    190,678.38x = 16,463,213,523.11
  5. Step 5: Solve for x
    x = 16,463,213,523.11/190,678.38
  6. Step 6: Final answer
    x = 86,340.22

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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.