Home / 105,208.30-145,185.14-57,461.84

Finding the Fourth Proportional to 105,208.30, 145,185.14 and 57,461.84

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Solution

The fourth proportional to 105,208.30, 145,185.14 and 57,461.84 is: 79,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,208.30 : 145,185.14 = 57,461.84 : x
  2. Step 2: Convert to fraction form
    105,208.30/145,185.14 = 57,461.84/x
  3. Step 3: Cross multiply
    105,208.30x = 145,185.14 × 57,461.84
  4. Step 4: Simplify right side
    105,208.30x = 8,342,605,285.06
  5. Step 5: Solve for x
    x = 8,342,605,285.06/105,208.30
  6. Step 6: Final answer
    x = 79,296.08

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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.