Home / 121,184.08-181,785.84-42,296.56

Finding the Fourth Proportional to 121,184.08, 181,785.84 and 42,296.56

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Solution

The fourth proportional to 121,184.08, 181,785.84 and 42,296.56 is: 63,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,184.08 : 181,785.84 = 42,296.56 : x
  2. Step 2: Convert to fraction form
    121,184.08/181,785.84 = 42,296.56/x
  3. Step 3: Cross multiply
    121,184.08x = 181,785.84 × 42,296.56
  4. Step 4: Simplify right side
    121,184.08x = 7,688,915,688.71
  5. Step 5: Solve for x
    x = 7,688,915,688.71/121,184.08
  6. Step 6: Final answer
    x = 63,448.23

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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.