Home / 141,506.77-195,307.23-81,117.93

Finding the Fourth Proportional to 141,506.77, 195,307.23 and 81,117.93

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Solution

The fourth proportional to 141,506.77, 195,307.23 and 81,117.93 is: 111,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,506.77 : 195,307.23 = 81,117.93 : x
  2. Step 2: Convert to fraction form
    141,506.77/195,307.23 = 81,117.93/x
  3. Step 3: Cross multiply
    141,506.77x = 195,307.23 × 81,117.93
  4. Step 4: Simplify right side
    141,506.77x = 15,842,918,211.63
  5. Step 5: Solve for x
    x = 15,842,918,211.63/141,506.77
  6. Step 6: Final answer
    x = 111,958.73

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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.