Home / 186,220.40-257,112.72-174,323.12

Finding the Fourth Proportional to 186,220.40, 257,112.72 and 174,323.12

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Solution

The fourth proportional to 186,220.40, 257,112.72 and 174,323.12 is: 240,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,220.40 : 257,112.72 = 174,323.12 : x
  2. Step 2: Convert to fraction form
    186,220.40/257,112.72 = 174,323.12/x
  3. Step 3: Cross multiply
    186,220.40x = 257,112.72 × 174,323.12
  4. Step 4: Simplify right side
    186,220.40x = 44,820,691,542.09
  5. Step 5: Solve for x
    x = 44,820,691,542.09/186,220.40
  6. Step 6: Final answer
    x = 240,686.26

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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.