Home / 141,412.02-195,148.62-77,754.12

Finding the Fourth Proportional to 141,412.02, 195,148.62 and 77,754.12

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Solution

The fourth proportional to 141,412.02, 195,148.62 and 77,754.12 is: 107,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,412.02 : 195,148.62 = 77,754.12 : x
  2. Step 2: Convert to fraction form
    141,412.02/195,148.62 = 77,754.12/x
  3. Step 3: Cross multiply
    141,412.02x = 195,148.62 × 77,754.12
  4. Step 4: Simplify right side
    141,412.02x = 15,173,609,217.31
  5. Step 5: Solve for x
    x = 15,173,609,217.31/141,412.02
  6. Step 6: Final answer
    x = 107,300.70

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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.