Home / 225,534.16-311,087.08-145,063.52

Finding the Fourth Proportional to 225,534.16, 311,087.08 and 145,063.52

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Solution

The fourth proportional to 225,534.16, 311,087.08 and 145,063.52 is: 200,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,534.16 : 311,087.08 = 145,063.52 : x
  2. Step 2: Convert to fraction form
    225,534.16/311,087.08 = 145,063.52/x
  3. Step 3: Cross multiply
    225,534.16x = 311,087.08 × 145,063.52
  4. Step 4: Simplify right side
    225,534.16x = 45,127,386,851.32
  5. Step 5: Solve for x
    x = 45,127,386,851.32/225,534.16
  6. Step 6: Final answer
    x = 200,091.14

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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.