Home / 113,169.96-156,108.06-70,749.45

Finding the Fourth Proportional to 113,169.96, 156,108.06 and 70,749.45

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Solution

The fourth proportional to 113,169.96, 156,108.06 and 70,749.45 is: 97,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,169.96 : 156,108.06 = 70,749.45 : x
  2. Step 2: Convert to fraction form
    113,169.96/156,108.06 = 70,749.45/x
  3. Step 3: Cross multiply
    113,169.96x = 156,108.06 × 70,749.45
  4. Step 4: Simplify right side
    113,169.96x = 11,044,559,385.57
  5. Step 5: Solve for x
    x = 11,044,559,385.57/113,169.96
  6. Step 6: Final answer
    x = 97,592.68

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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.