Home / 134,395.20-185,465.52-73,970.22

Finding the Fourth Proportional to 134,395.20, 185,465.52 and 73,970.22

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Solution

The fourth proportional to 134,395.20, 185,465.52 and 73,970.22 is: 102,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,395.20 : 185,465.52 = 73,970.22 : x
  2. Step 2: Convert to fraction form
    134,395.20/185,465.52 = 73,970.22/x
  3. Step 3: Cross multiply
    134,395.20x = 185,465.52 × 73,970.22
  4. Step 4: Simplify right side
    134,395.20x = 13,718,925,316.81
  5. Step 5: Solve for x
    x = 13,718,925,316.81/134,395.20
  6. Step 6: Final answer
    x = 102,078.98

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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.