Home / 260,115.75-358,988.91-146,945.79

Finding the Fourth Proportional to 260,115.75, 358,988.91 and 146,945.79

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Solution

The fourth proportional to 260,115.75, 358,988.91 and 146,945.79 is: 202,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,115.75 : 358,988.91 = 146,945.79 : x
  2. Step 2: Convert to fraction form
    260,115.75/358,988.91 = 146,945.79/x
  3. Step 3: Cross multiply
    260,115.75x = 358,988.91 × 146,945.79
  4. Step 4: Simplify right side
    260,115.75x = 52,751,908,981.19
  5. Step 5: Solve for x
    x = 52,751,908,981.19/260,115.75
  6. Step 6: Final answer
    x = 202,801.67

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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.