Home / 153,330.12-229,922.34-53,478.18

Finding the Fourth Proportional to 153,330.12, 229,922.34 and 53,478.18

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Solution

The fourth proportional to 153,330.12, 229,922.34 and 53,478.18 is: 80,191.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,330.12 : 229,922.34 = 53,478.18 : x
  2. Step 2: Convert to fraction form
    153,330.12/229,922.34 = 53,478.18/x
  3. Step 3: Cross multiply
    153,330.12x = 229,922.34 × 53,478.18
  4. Step 4: Simplify right side
    153,330.12x = 12,295,828,284.54
  5. Step 5: Solve for x
    x = 12,295,828,284.54/153,330.12
  6. Step 6: Final answer
    x = 80,191.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.