Home / 190,732.92-286,110-57,609.62

Finding the Fourth Proportional to 190,732.92, 286,110 and 57,609.62

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Solution

The fourth proportional to 190,732.92, 286,110 and 57,609.62 is: 86,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,732.92 : 286,110 = 57,609.62 : x
  2. Step 2: Convert to fraction form
    190,732.92/286,110 = 57,609.62/x
  3. Step 3: Cross multiply
    190,732.92x = 286,110 × 57,609.62
  4. Step 4: Simplify right side
    190,732.92x = 16,482,688,378.20
  5. Step 5: Solve for x
    x = 16,482,688,378.20/190,732.92
  6. Step 6: Final answer
    x = 86,417.64

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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.