Home / 153,648.72-212,049.16-93,234.67

Finding the Fourth Proportional to 153,648.72, 212,049.16 and 93,234.67

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Solution

The fourth proportional to 153,648.72, 212,049.16 and 93,234.67 is: 128,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,648.72 : 212,049.16 = 93,234.67 : x
  2. Step 2: Convert to fraction form
    153,648.72/212,049.16 = 93,234.67/x
  3. Step 3: Cross multiply
    153,648.72x = 212,049.16 × 93,234.67
  4. Step 4: Simplify right side
    153,648.72x = 19,770,332,693.17
  5. Step 5: Solve for x
    x = 19,770,332,693.17/153,648.72
  6. Step 6: Final answer
    x = 128,672.29

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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.