Home / 212,813.16-293,683.05-117,317.76

Finding the Fourth Proportional to 212,813.16, 293,683.05 and 117,317.76

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Solution

The fourth proportional to 212,813.16, 293,683.05 and 117,317.76 is: 161,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,813.16 : 293,683.05 = 117,317.76 : x
  2. Step 2: Convert to fraction form
    212,813.16/293,683.05 = 117,317.76/x
  3. Step 3: Cross multiply
    212,813.16x = 293,683.05 × 117,317.76
  4. Step 4: Simplify right side
    212,813.16x = 34,454,237,575.97
  5. Step 5: Solve for x
    x = 34,454,237,575.97/212,813.16
  6. Step 6: Final answer
    x = 161,899.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.