Home / 225,632.10-311,371.65-125,030.10

Finding the Fourth Proportional to 225,632.10, 311,371.65 and 125,030.10

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Solution

The fourth proportional to 225,632.10, 311,371.65 and 125,030.10 is: 172,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,632.10 : 311,371.65 = 125,030.10 : x
  2. Step 2: Convert to fraction form
    225,632.10/311,371.65 = 125,030.10/x
  3. Step 3: Cross multiply
    225,632.10x = 311,371.65 × 125,030.10
  4. Step 4: Simplify right side
    225,632.10x = 38,930,828,536.67
  5. Step 5: Solve for x
    x = 38,930,828,536.67/225,632.10
  6. Step 6: Final answer
    x = 172,541.18

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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.