Home / 105,970.41-146,242.80-58,225.50

Finding the Fourth Proportional to 105,970.41, 146,242.80 and 58,225.50

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Solution

The fourth proportional to 105,970.41, 146,242.80 and 58,225.50 is: 80,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,970.41 : 146,242.80 = 58,225.50 : x
  2. Step 2: Convert to fraction form
    105,970.41/146,242.80 = 58,225.50/x
  3. Step 3: Cross multiply
    105,970.41x = 146,242.80 × 58,225.50
  4. Step 4: Simplify right side
    105,970.41x = 8,515,060,151.40
  5. Step 5: Solve for x
    x = 8,515,060,151.40/105,970.41
  6. Step 6: Final answer
    x = 80,353.19

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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.