Home / 217,727.12-326,651.16-124,298.48

Finding the Fourth Proportional to 217,727.12, 326,651.16 and 124,298.48

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Solution

The fourth proportional to 217,727.12, 326,651.16 and 124,298.48 is: 186,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,727.12 : 326,651.16 = 124,298.48 : x
  2. Step 2: Convert to fraction form
    217,727.12/326,651.16 = 124,298.48/x
  3. Step 3: Cross multiply
    217,727.12x = 326,651.16 × 124,298.48
  4. Step 4: Simplify right side
    217,727.12x = 40,602,242,678.24
  5. Step 5: Solve for x
    x = 40,602,242,678.24/217,727.12
  6. Step 6: Final answer
    x = 186,482.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.