Home / 230,043.11-317,453.30-128,068.58

Finding the Fourth Proportional to 230,043.11, 317,453.30 and 128,068.58

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Solution

The fourth proportional to 230,043.11, 317,453.30 and 128,068.58 is: 176,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,043.11 : 317,453.30 = 128,068.58 : x
  2. Step 2: Convert to fraction form
    230,043.11/317,453.30 = 128,068.58/x
  3. Step 3: Cross multiply
    230,043.11x = 317,453.30 × 128,068.58
  4. Step 4: Simplify right side
    230,043.11x = 40,655,791,119.70
  5. Step 5: Solve for x
    x = 40,655,791,119.70/230,043.11
  6. Step 6: Final answer
    x = 176,731.19

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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.