Home / 190,742.99-286,117.20-57,624.39

Finding the Fourth Proportional to 190,742.99, 286,117.20 and 57,624.39

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Solution

The fourth proportional to 190,742.99, 286,117.20 and 57,624.39 is: 86,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,742.99 : 286,117.20 = 57,624.39 : x
  2. Step 2: Convert to fraction form
    190,742.99/286,117.20 = 57,624.39/x
  3. Step 3: Cross multiply
    190,742.99x = 286,117.20 × 57,624.39
  4. Step 4: Simplify right side
    190,742.99x = 16,487,329,118.51
  5. Step 5: Solve for x
    x = 16,487,329,118.51/190,742.99
  6. Step 6: Final answer
    x = 86,437.41

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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.