Home / 141,416.02-195,154.14-77,758.12

Finding the Fourth Proportional to 141,416.02, 195,154.14 and 77,758.12

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Solution

The fourth proportional to 141,416.02, 195,154.14 and 77,758.12 is: 107,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,416.02 : 195,154.14 = 77,758.12 : x
  2. Step 2: Convert to fraction form
    141,416.02/195,154.14 = 77,758.12/x
  3. Step 3: Cross multiply
    141,416.02x = 195,154.14 × 77,758.12
  4. Step 4: Simplify right side
    141,416.02x = 15,174,819,036.62
  5. Step 5: Solve for x
    x = 15,174,819,036.62/141,416.02
  6. Step 6: Final answer
    x = 107,306.22

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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.