Home / 124,169.90-171,349.38-70,453.76

Finding the Fourth Proportional to 124,169.90, 171,349.38 and 70,453.76

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Solution

The fourth proportional to 124,169.90, 171,349.38 and 70,453.76 is: 97,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169.90 : 171,349.38 = 70,453.76 : x
  2. Step 2: Convert to fraction form
    124,169.90/171,349.38 = 70,453.76/x
  3. Step 3: Cross multiply
    124,169.90x = 171,349.38 × 70,453.76
  4. Step 4: Simplify right side
    124,169.90x = 12,072,207,237.92
  5. Step 5: Solve for x
    x = 12,072,207,237.92/124,169.90
  6. Step 6: Final answer
    x = 97,223.30

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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.