Home / 176,090.12-242,989.56-99,605.26

Finding the Fourth Proportional to 176,090.12, 242,989.56 and 99,605.26

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Solution

The fourth proportional to 176,090.12, 242,989.56 and 99,605.26 is: 137,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,090.12 : 242,989.56 = 99,605.26 : x
  2. Step 2: Convert to fraction form
    176,090.12/242,989.56 = 99,605.26/x
  3. Step 3: Cross multiply
    176,090.12x = 242,989.56 × 99,605.26
  4. Step 4: Simplify right side
    176,090.12x = 24,203,037,693.61
  5. Step 5: Solve for x
    x = 24,203,037,693.61/176,090.12
  6. Step 6: Final answer
    x = 137,446.88

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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.