Home / 212,956.48-293,856.60-117,457.12

Finding the Fourth Proportional to 212,956.48, 293,856.60 and 117,457.12

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Solution

The fourth proportional to 212,956.48, 293,856.60 and 117,457.12 is: 162,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,956.48 : 293,856.60 = 117,457.12 : x
  2. Step 2: Convert to fraction form
    212,956.48/293,856.60 = 117,457.12/x
  3. Step 3: Cross multiply
    212,956.48x = 293,856.60 × 117,457.12
  4. Step 4: Simplify right side
    212,956.48x = 34,515,549,928.99
  5. Step 5: Solve for x
    x = 34,515,549,928.99/212,956.48
  6. Step 6: Final answer
    x = 162,077.95

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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.