Home / 155,192.67-214,166.07-88,124.67

Finding the Fourth Proportional to 155,192.67, 214,166.07 and 88,124.67

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Solution

The fourth proportional to 155,192.67, 214,166.07 and 88,124.67 is: 121,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,192.67 : 214,166.07 = 88,124.67 : x
  2. Step 2: Convert to fraction form
    155,192.67/214,166.07 = 88,124.67/x
  3. Step 3: Cross multiply
    155,192.67x = 214,166.07 × 88,124.67
  4. Step 4: Simplify right side
    155,192.67x = 18,873,314,243.95
  5. Step 5: Solve for x
    x = 18,873,314,243.95/155,192.67
  6. Step 6: Final answer
    x = 121,612.15

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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.