Home / 121,352.10-181,898.55-46,443.30

Finding the Fourth Proportional to 121,352.10, 181,898.55 and 46,443.30

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Solution

The fourth proportional to 121,352.10, 181,898.55 and 46,443.30 is: 69,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,352.10 : 181,898.55 = 46,443.30 : x
  2. Step 2: Convert to fraction form
    121,352.10/181,898.55 = 46,443.30/x
  3. Step 3: Cross multiply
    121,352.10x = 181,898.55 × 46,443.30
  4. Step 4: Simplify right side
    121,352.10x = 8,447,968,927.22
  5. Step 5: Solve for x
    x = 8,447,968,927.22/121,352.10
  6. Step 6: Final answer
    x = 69,615.35

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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.