Home / 134,659.12-185,830.86-74,232.16

Finding the Fourth Proportional to 134,659.12, 185,830.86 and 74,232.16

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Solution

The fourth proportional to 134,659.12, 185,830.86 and 74,232.16 is: 102,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,659.12 : 185,830.86 = 74,232.16 : x
  2. Step 2: Convert to fraction form
    134,659.12/185,830.86 = 74,232.16/x
  3. Step 3: Cross multiply
    134,659.12x = 185,830.86 × 74,232.16
  4. Step 4: Simplify right side
    134,659.12x = 13,794,626,132.46
  5. Step 5: Solve for x
    x = 13,794,626,132.46/134,659.12
  6. Step 6: Final answer
    x = 102,441.08

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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.