Home / 272,195.13-375,638.90-151,370.67

Finding the Fourth Proportional to 272,195.13, 375,638.90 and 151,370.67

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Solution

The fourth proportional to 272,195.13, 375,638.90 and 151,370.67 is: 208,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,195.13 : 375,638.90 = 151,370.67 : x
  2. Step 2: Convert to fraction form
    272,195.13/375,638.90 = 151,370.67/x
  3. Step 3: Cross multiply
    272,195.13x = 375,638.90 × 151,370.67
  4. Step 4: Simplify right side
    272,195.13x = 56,860,711,971.06
  5. Step 5: Solve for x
    x = 56,860,711,971.06/272,195.13
  6. Step 6: Final answer
    x = 208,896.87

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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.