Home / 190,923.52-286,437.12-57,808.24

Finding the Fourth Proportional to 190,923.52, 286,437.12 and 57,808.24

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Solution

The fourth proportional to 190,923.52, 286,437.12 and 57,808.24 is: 86,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,923.52 : 286,437.12 = 57,808.24 : x
  2. Step 2: Convert to fraction form
    190,923.52/286,437.12 = 57,808.24/x
  3. Step 3: Cross multiply
    190,923.52x = 286,437.12 × 57,808.24
  4. Step 4: Simplify right side
    190,923.52x = 16,558,425,777.87
  5. Step 5: Solve for x
    x = 16,558,425,777.87/190,923.52
  6. Step 6: Final answer
    x = 86,728.06

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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.