Home / 186,761.60-257,814.50-126,515.22

Finding the Fourth Proportional to 186,761.60, 257,814.50 and 126,515.22

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Solution

The fourth proportional to 186,761.60, 257,814.50 and 126,515.22 is: 174,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,761.60 : 257,814.50 = 126,515.22 : x
  2. Step 2: Convert to fraction form
    186,761.60/257,814.50 = 126,515.22/x
  3. Step 3: Cross multiply
    186,761.60x = 257,814.50 × 126,515.22
  4. Step 4: Simplify right side
    186,761.60x = 32,617,456,587.31
  5. Step 5: Solve for x
    x = 32,617,456,587.31/186,761.60
  6. Step 6: Final answer
    x = 174,647.55

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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.