Home / 134,389.58-185,457.65-73,960.20

Finding the Fourth Proportional to 134,389.58, 185,457.65 and 73,960.20

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Solution

The fourth proportional to 134,389.58, 185,457.65 and 73,960.20 is: 102,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,389.58 : 185,457.65 = 73,960.20 : x
  2. Step 2: Convert to fraction form
    134,389.58/185,457.65 = 73,960.20/x
  3. Step 3: Cross multiply
    134,389.58x = 185,457.65 × 73,960.20
  4. Step 4: Simplify right side
    134,389.58x = 13,716,484,515.73
  5. Step 5: Solve for x
    x = 13,716,484,515.73/134,389.58
  6. Step 6: Final answer
    x = 102,065.09

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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.