Home / 158,184.24-218,295.12-89,274.28

Finding the Fourth Proportional to 158,184.24, 218,295.12 and 89,274.28

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Solution

The fourth proportional to 158,184.24, 218,295.12 and 89,274.28 is: 123,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,184.24 : 218,295.12 = 89,274.28 : x
  2. Step 2: Convert to fraction form
    158,184.24/218,295.12 = 89,274.28/x
  3. Step 3: Cross multiply
    158,184.24x = 218,295.12 × 89,274.28
  4. Step 4: Simplify right side
    158,184.24x = 19,488,139,665.51
  5. Step 5: Solve for x
    x = 19,488,139,665.51/158,184.24
  6. Step 6: Final answer
    x = 123,199.00

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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.