Home / 191,116.32-262,863.72-153,307.68

Finding the Fourth Proportional to 191,116.32, 262,863.72 and 153,307.68

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Solution

The fourth proportional to 191,116.32, 262,863.72 and 153,307.68 is: 210,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,116.32 : 262,863.72 = 153,307.68 : x
  2. Step 2: Convert to fraction form
    191,116.32/262,863.72 = 153,307.68/x
  3. Step 3: Cross multiply
    191,116.32x = 262,863.72 × 153,307.68
  4. Step 4: Simplify right side
    191,116.32x = 40,299,027,069.37
  5. Step 5: Solve for x
    x = 40,299,027,069.37/191,116.32
  6. Step 6: Final answer
    x = 210,861.25

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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.