Home / 124,577.40-186,643.35-75,801.90

Finding the Fourth Proportional to 124,577.40, 186,643.35 and 75,801.90

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Solution

The fourth proportional to 124,577.40, 186,643.35 and 75,801.90 is: 113,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,577.40 : 186,643.35 = 75,801.90 : x
  2. Step 2: Convert to fraction form
    124,577.40/186,643.35 = 75,801.90/x
  3. Step 3: Cross multiply
    124,577.40x = 186,643.35 × 75,801.90
  4. Step 4: Simplify right side
    124,577.40x = 14,147,920,552.37
  5. Step 5: Solve for x
    x = 14,147,920,552.37/124,577.40
  6. Step 6: Final answer
    x = 113,567.31

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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.