Home / 180,017.61-248,389.79-108,402.27

Finding the Fourth Proportional to 180,017.61, 248,389.79 and 108,402.27

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Solution

The fourth proportional to 180,017.61, 248,389.79 and 108,402.27 is: 149,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,017.61 : 248,389.79 = 108,402.27 : x
  2. Step 2: Convert to fraction form
    180,017.61/248,389.79 = 108,402.27/x
  3. Step 3: Cross multiply
    180,017.61x = 248,389.79 × 108,402.27
  4. Step 4: Simplify right side
    180,017.61x = 26,926,016,538.81
  5. Step 5: Solve for x
    x = 26,926,016,538.81/180,017.61
  6. Step 6: Final answer
    x = 149,574.35

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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.