Home / 212,598.75-293,386.28-117,105.15

Finding the Fourth Proportional to 212,598.75, 293,386.28 and 117,105.15

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Solution

The fourth proportional to 212,598.75, 293,386.28 and 117,105.15 is: 161,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,598.75 : 293,386.28 = 117,105.15 : x
  2. Step 2: Convert to fraction form
    212,598.75/293,386.28 = 117,105.15/x
  3. Step 3: Cross multiply
    212,598.75x = 293,386.28 × 117,105.15
  4. Step 4: Simplify right side
    212,598.75x = 34,357,043,741.82
  5. Step 5: Solve for x
    x = 34,357,043,741.82/212,598.75
  6. Step 6: Final answer
    x = 161,605.11

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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.