Home / 211,235.74-316,445.31-117,457.18

Finding the Fourth Proportional to 211,235.74, 316,445.31 and 117,457.18

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Solution

The fourth proportional to 211,235.74, 316,445.31 and 117,457.18 is: 175,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,235.74 : 316,445.31 = 117,457.18 : x
  2. Step 2: Convert to fraction form
    211,235.74/316,445.31 = 117,457.18/x
  3. Step 3: Cross multiply
    211,235.74x = 316,445.31 × 117,457.18
  4. Step 4: Simplify right side
    211,235.74x = 37,168,773,736.83
  5. Step 5: Solve for x
    x = 37,168,773,736.83/211,235.74
  6. Step 6: Final answer
    x = 175,958.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.