Home / 103,798.40-143,242.23-58,476.92

Finding the Fourth Proportional to 103,798.40, 143,242.23 and 58,476.92

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Solution

The fourth proportional to 103,798.40, 143,242.23 and 58,476.92 is: 80,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,798.40 : 143,242.23 = 58,476.92 : x
  2. Step 2: Convert to fraction form
    103,798.40/143,242.23 = 58,476.92/x
  3. Step 3: Cross multiply
    103,798.40x = 143,242.23 × 58,476.92
  4. Step 4: Simplify right side
    103,798.40x = 8,376,364,131.95
  5. Step 5: Solve for x
    x = 8,376,364,131.95/103,798.40
  6. Step 6: Final answer
    x = 80,698.40

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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.