Home / 186,220.13-256,983.77-101,337.80

Finding the Fourth Proportional to 186,220.13, 256,983.77 and 101,337.80

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Solution

The fourth proportional to 186,220.13, 256,983.77 and 101,337.80 is: 139,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,220.13 : 256,983.77 = 101,337.80 : x
  2. Step 2: Convert to fraction form
    186,220.13/256,983.77 = 101,337.80/x
  3. Step 3: Cross multiply
    186,220.13x = 256,983.77 × 101,337.80
  4. Step 4: Simplify right side
    186,220.13x = 26,042,168,855.93
  5. Step 5: Solve for x
    x = 26,042,168,855.93/186,220.13
  6. Step 6: Final answer
    x = 139,846.16

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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.