Home / 134,820.40-186,050.77-74,392.24

Finding the Fourth Proportional to 134,820.40, 186,050.77 and 74,392.24

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Solution

The fourth proportional to 134,820.40, 186,050.77 and 74,392.24 is: 102,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,820.40 : 186,050.77 = 74,392.24 : x
  2. Step 2: Convert to fraction form
    134,820.40/186,050.77 = 74,392.24/x
  3. Step 3: Cross multiply
    134,820.40x = 186,050.77 × 74,392.24
  4. Step 4: Simplify right side
    134,820.40x = 13,840,733,534.02
  5. Step 5: Solve for x
    x = 13,840,733,534.02/134,820.40
  6. Step 6: Final answer
    x = 102,660.53

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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.