Home / 141,567.60-212,101.92-74,860.32

Finding the Fourth Proportional to 141,567.60, 212,101.92 and 74,860.32

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Solution

The fourth proportional to 141,567.60, 212,101.92 and 74,860.32 is: 112,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,567.60 : 212,101.92 = 74,860.32 : x
  2. Step 2: Convert to fraction form
    141,567.60/212,101.92 = 74,860.32/x
  3. Step 3: Cross multiply
    141,567.60x = 212,101.92 × 74,860.32
  4. Step 4: Simplify right side
    141,567.60x = 15,878,017,603.81
  5. Step 5: Solve for x
    x = 15,878,017,603.81/141,567.60
  6. Step 6: Final answer
    x = 112,158.56

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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.