Home / 134,883.47-186,140.74-74,454.16

Finding the Fourth Proportional to 134,883.47, 186,140.74 and 74,454.16

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Solution

The fourth proportional to 134,883.47, 186,140.74 and 74,454.16 is: 102,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,883.47 : 186,140.74 = 74,454.16 : x
  2. Step 2: Convert to fraction form
    134,883.47/186,140.74 = 74,454.16/x
  3. Step 3: Cross multiply
    134,883.47x = 186,140.74 × 74,454.16
  4. Step 4: Simplify right side
    134,883.47x = 13,858,952,438.48
  5. Step 5: Solve for x
    x = 13,858,952,438.48/134,883.47
  6. Step 6: Final answer
    x = 102,747.60

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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.