Home / 155,137.02-214,088.96-88,069.02

Finding the Fourth Proportional to 155,137.02, 214,088.96 and 88,069.02

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Solution

The fourth proportional to 155,137.02, 214,088.96 and 88,069.02 is: 121,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,137.02 : 214,088.96 = 88,069.02 : x
  2. Step 2: Convert to fraction form
    155,137.02/214,088.96 = 88,069.02/x
  3. Step 3: Cross multiply
    155,137.02x = 214,088.96 × 88,069.02
  4. Step 4: Simplify right side
    155,137.02x = 18,854,604,900.02
  5. Step 5: Solve for x
    x = 18,854,604,900.02/155,137.02
  6. Step 6: Final answer
    x = 121,535.18

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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.