Home / 147,199.02-220,602.69-80,538.54

Finding the Fourth Proportional to 147,199.02, 220,602.69 and 80,538.54

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Solution

The fourth proportional to 147,199.02, 220,602.69 and 80,538.54 is: 120,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,199.02 : 220,602.69 = 80,538.54 : x
  2. Step 2: Convert to fraction form
    147,199.02/220,602.69 = 80,538.54/x
  3. Step 3: Cross multiply
    147,199.02x = 220,602.69 × 80,538.54
  4. Step 4: Simplify right side
    147,199.02x = 17,767,018,572.67
  5. Step 5: Solve for x
    x = 17,767,018,572.67/147,199.02
  6. Step 6: Final answer
    x = 120,700.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.