Home / 134,150.40-185,130.72-73,726.74

Finding the Fourth Proportional to 134,150.40, 185,130.72 and 73,726.74

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Solution

The fourth proportional to 134,150.40, 185,130.72 and 73,726.74 is: 101,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,150.40 : 185,130.72 = 73,726.74 : x
  2. Step 2: Convert to fraction form
    134,150.40/185,130.72 = 73,726.74/x
  3. Step 3: Cross multiply
    134,150.40x = 185,130.72 × 73,726.74
  4. Step 4: Simplify right side
    134,150.40x = 13,649,084,459.45
  5. Step 5: Solve for x
    x = 13,649,084,459.45/134,150.40
  6. Step 6: Final answer
    x = 101,744.64

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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.