Home / 141,608.90-195,420.18-77,946.69

Finding the Fourth Proportional to 141,608.90, 195,420.18 and 77,946.69

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Solution

The fourth proportional to 141,608.90, 195,420.18 and 77,946.69 is: 107,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,608.90 : 195,420.18 = 77,946.69 : x
  2. Step 2: Convert to fraction form
    141,608.90/195,420.18 = 77,946.69/x
  3. Step 3: Cross multiply
    141,608.90x = 195,420.18 × 77,946.69
  4. Step 4: Simplify right side
    141,608.90x = 15,232,356,830.91
  5. Step 5: Solve for x
    x = 15,232,356,830.91/141,608.90
  6. Step 6: Final answer
    x = 107,566.38

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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.