Home / 212,598.48-293,399.28-117,105.20

Finding the Fourth Proportional to 212,598.48, 293,399.28 and 117,105.20

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Solution

The fourth proportional to 212,598.48, 293,399.28 and 117,105.20 is: 161,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,598.48 : 293,399.28 = 117,105.20 : x
  2. Step 2: Convert to fraction form
    212,598.48/293,399.28 = 117,105.20/x
  3. Step 3: Cross multiply
    212,598.48x = 293,399.28 × 117,105.20
  4. Step 4: Simplify right side
    212,598.48x = 34,358,581,364.26
  5. Step 5: Solve for x
    x = 34,358,581,364.26/212,598.48
  6. Step 6: Final answer
    x = 161,612.54

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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.