Home / 186,417.21-257,167.80-126,008.94

Finding the Fourth Proportional to 186,417.21, 257,167.80 and 126,008.94

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Solution

The fourth proportional to 186,417.21, 257,167.80 and 126,008.94 is: 173,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,417.21 : 257,167.80 = 126,008.94 : x
  2. Step 2: Convert to fraction form
    186,417.21/257,167.80 = 126,008.94/x
  3. Step 3: Cross multiply
    186,417.21x = 257,167.80 × 126,008.94
  4. Step 4: Simplify right side
    186,417.21x = 32,405,441,880.13
  5. Step 5: Solve for x
    x = 32,405,441,880.13/186,417.21
  6. Step 6: Final answer
    x = 173,832.89

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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.