Home / 141,430.02-195,145.50-79,342.59

Finding the Fourth Proportional to 141,430.02, 195,145.50 and 79,342.59

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Solution

The fourth proportional to 141,430.02, 195,145.50 and 79,342.59 is: 109,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,430.02 : 195,145.50 = 79,342.59 : x
  2. Step 2: Convert to fraction form
    141,430.02/195,145.50 = 79,342.59/x
  3. Step 3: Cross multiply
    141,430.02x = 195,145.50 × 79,342.59
  4. Step 4: Simplify right side
    141,430.02x = 15,483,349,396.85
  5. Step 5: Solve for x
    x = 15,483,349,396.85/141,430.02
  6. Step 6: Final answer
    x = 109,477.11

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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.