Home / 121,151.96-181,689.08-40,083.92

Finding the Fourth Proportional to 121,151.96, 181,689.08 and 40,083.92

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Solution

The fourth proportional to 121,151.96, 181,689.08 and 40,083.92 is: 60,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,151.96 : 181,689.08 = 40,083.92 : x
  2. Step 2: Convert to fraction form
    121,151.96/181,689.08 = 40,083.92/x
  3. Step 3: Cross multiply
    121,151.96x = 181,689.08 × 40,083.92
  4. Step 4: Simplify right side
    121,151.96x = 7,282,810,547.59
  5. Step 5: Solve for x
    x = 7,282,810,547.59/121,151.96
  6. Step 6: Final answer
    x = 60,113.02

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1.5x scale

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.