Home / 159,874.04-220,633.32-91,913.01

Finding the Fourth Proportional to 159,874.04, 220,633.32 and 91,913.01

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Solution

The fourth proportional to 159,874.04, 220,633.32 and 91,913.01 is: 126,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,874.04 : 220,633.32 = 91,913.01 : x
  2. Step 2: Convert to fraction form
    159,874.04/220,633.32 = 91,913.01/x
  3. Step 3: Cross multiply
    159,874.04x = 220,633.32 × 91,913.01
  4. Step 4: Simplify right side
    159,874.04x = 20,279,072,547.49
  5. Step 5: Solve for x
    x = 20,279,072,547.49/159,874.04
  6. Step 6: Final answer
    x = 126,844.07

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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.