Home / 141,567.24-195,363.72-77,903.40

Finding the Fourth Proportional to 141,567.24, 195,363.72 and 77,903.40

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Solution

The fourth proportional to 141,567.24, 195,363.72 and 77,903.40 is: 107,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,567.24 : 195,363.72 = 77,903.40 : x
  2. Step 2: Convert to fraction form
    141,567.24/195,363.72 = 77,903.40/x
  3. Step 3: Cross multiply
    141,567.24x = 195,363.72 × 77,903.40
  4. Step 4: Simplify right side
    141,567.24x = 15,219,498,024.65
  5. Step 5: Solve for x
    x = 15,219,498,024.65/141,567.24
  6. Step 6: Final answer
    x = 107,507.20

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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.