Home / 147,090.02-203,054.73-90,549.86

Finding the Fourth Proportional to 147,090.02, 203,054.73 and 90,549.86

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Solution

The fourth proportional to 147,090.02, 203,054.73 and 90,549.86 is: 125,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,090.02 : 203,054.73 = 90,549.86 : x
  2. Step 2: Convert to fraction form
    147,090.02/203,054.73 = 90,549.86/x
  3. Step 3: Cross multiply
    147,090.02x = 203,054.73 × 90,549.86
  4. Step 4: Simplify right side
    147,090.02x = 18,386,577,373.84
  5. Step 5: Solve for x
    x = 18,386,577,373.84/147,090.02
  6. Step 6: Final answer
    x = 125,002.21

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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.