Home / 105,220.22-145,191.29-59,898.29

Finding the Fourth Proportional to 105,220.22, 145,191.29 and 59,898.29

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Solution

The fourth proportional to 105,220.22, 145,191.29 and 59,898.29 is: 82,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,220.22 : 145,191.29 = 59,898.29 : x
  2. Step 2: Convert to fraction form
    105,220.22/145,191.29 = 59,898.29/x
  3. Step 3: Cross multiply
    105,220.22x = 145,191.29 × 59,898.29
  4. Step 4: Simplify right side
    105,220.22x = 8,696,708,968.45
  5. Step 5: Solve for x
    x = 8,696,708,968.45/105,220.22
  6. Step 6: Final answer
    x = 82,652.45

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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.