Home / 190,835.10-286,252.65-66,176.10

Finding the Fourth Proportional to 190,835.10, 286,252.65 and 66,176.10

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Solution

The fourth proportional to 190,835.10, 286,252.65 and 66,176.10 is: 99,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,835.10 : 286,252.65 = 66,176.10 : x
  2. Step 2: Convert to fraction form
    190,835.10/286,252.65 = 66,176.10/x
  3. Step 3: Cross multiply
    190,835.10x = 286,252.65 × 66,176.10
  4. Step 4: Simplify right side
    190,835.10x = 18,943,083,991.67
  5. Step 5: Solve for x
    x = 18,943,083,991.67/190,835.10
  6. Step 6: Final answer
    x = 99,264.15

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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.