Home / 107,151.48-147,865.80-59,402.04

Finding the Fourth Proportional to 107,151.48, 147,865.80 and 59,402.04

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Solution

The fourth proportional to 107,151.48, 147,865.80 and 59,402.04 is: 81,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,151.48 : 147,865.80 = 59,402.04 : x
  2. Step 2: Convert to fraction form
    107,151.48/147,865.80 = 59,402.04/x
  3. Step 3: Cross multiply
    107,151.48x = 147,865.80 × 59,402.04
  4. Step 4: Simplify right side
    107,151.48x = 8,783,530,166.23
  5. Step 5: Solve for x
    x = 8,783,530,166.23/107,151.48
  6. Step 6: Final answer
    x = 81,973.02

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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.