Home / 181,530.47-250,518.22-99,862.32

Finding the Fourth Proportional to 181,530.47, 250,518.22 and 99,862.32

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Solution

The fourth proportional to 181,530.47, 250,518.22 and 99,862.32 is: 137,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,530.47 : 250,518.22 = 99,862.32 : x
  2. Step 2: Convert to fraction form
    181,530.47/250,518.22 = 99,862.32/x
  3. Step 3: Cross multiply
    181,530.47x = 250,518.22 × 99,862.32
  4. Step 4: Simplify right side
    181,530.47x = 25,017,330,651.47
  5. Step 5: Solve for x
    x = 25,017,330,651.47/181,530.47
  6. Step 6: Final answer
    x = 137,813.40

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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.