Home / 141,567.60-195,358.32-77,903.76

Finding the Fourth Proportional to 141,567.60, 195,358.32 and 77,903.76

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Solution

The fourth proportional to 141,567.60, 195,358.32 and 77,903.76 is: 107,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,567.60 : 195,358.32 = 77,903.76 : x
  2. Step 2: Convert to fraction form
    141,567.60/195,358.32 = 77,903.76/x
  3. Step 3: Cross multiply
    141,567.60x = 195,358.32 × 77,903.76
  4. Step 4: Simplify right side
    141,567.60x = 15,219,147,675.28
  5. Step 5: Solve for x
    x = 15,219,147,675.28/141,567.60
  6. Step 6: Final answer
    x = 107,504.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.