Home / 124,445.08-186,666.81-74,539.36

Finding the Fourth Proportional to 124,445.08, 186,666.81 and 74,539.36

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Solution

The fourth proportional to 124,445.08, 186,666.81 and 74,539.36 is: 111,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,445.08 : 186,666.81 = 74,539.36 : x
  2. Step 2: Convert to fraction form
    124,445.08/186,666.81 = 74,539.36/x
  3. Step 3: Cross multiply
    124,445.08x = 186,666.81 × 74,539.36
  4. Step 4: Simplify right side
    124,445.08x = 13,914,024,550.64
  5. Step 5: Solve for x
    x = 13,914,024,550.64/124,445.08
  6. Step 6: Final answer
    x = 111,808.55

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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.