Home / 158,384.13-218,487.24-97,935.45

Finding the Fourth Proportional to 158,384.13, 218,487.24 and 97,935.45

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Solution

The fourth proportional to 158,384.13, 218,487.24 and 97,935.45 is: 135,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,384.13 : 218,487.24 = 97,935.45 : x
  2. Step 2: Convert to fraction form
    158,384.13/218,487.24 = 97,935.45/x
  3. Step 3: Cross multiply
    158,384.13x = 218,487.24 × 97,935.45
  4. Step 4: Simplify right side
    158,384.13x = 21,397,646,168.66
  5. Step 5: Solve for x
    x = 21,397,646,168.66/158,384.13
  6. Step 6: Final answer
    x = 135,099.69

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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.