Home / 106,146.47-146,484.58-57,751.15

Finding the Fourth Proportional to 106,146.47, 146,484.58 and 57,751.15

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Solution

The fourth proportional to 106,146.47, 146,484.58 and 57,751.15 is: 79,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,146.47 : 146,484.58 = 57,751.15 : x
  2. Step 2: Convert to fraction form
    106,146.47/146,484.58 = 57,751.15/x
  3. Step 3: Cross multiply
    106,146.47x = 146,484.58 × 57,751.15
  4. Step 4: Simplify right side
    106,146.47x = 8,459,653,074.18
  5. Step 5: Solve for x
    x = 8,459,653,074.18/106,146.47
  6. Step 6: Final answer
    x = 79,697.92

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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.