Home / 106,653.42-147,169.12-58,903.92

Finding the Fourth Proportional to 106,653.42, 147,169.12 and 58,903.92

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Solution

The fourth proportional to 106,653.42, 147,169.12 and 58,903.92 is: 81,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,653.42 : 147,169.12 = 58,903.92 : x
  2. Step 2: Convert to fraction form
    106,653.42/147,169.12 = 58,903.92/x
  3. Step 3: Cross multiply
    106,653.42x = 147,169.12 × 58,903.92
  4. Step 4: Simplify right side
    106,653.42x = 8,668,838,070.95
  5. Step 5: Solve for x
    x = 8,668,838,070.95/106,653.42
  6. Step 6: Final answer
    x = 81,280.45

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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.