Home / 127,962.56-191,943.84-65,593.28

Finding the Fourth Proportional to 127,962.56, 191,943.84 and 65,593.28

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Solution

The fourth proportional to 127,962.56, 191,943.84 and 65,593.28 is: 98,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,962.56 : 191,943.84 = 65,593.28 : x
  2. Step 2: Convert to fraction form
    127,962.56/191,943.84 = 65,593.28/x
  3. Step 3: Cross multiply
    127,962.56x = 191,943.84 × 65,593.28
  4. Step 4: Simplify right side
    127,962.56x = 12,590,226,041.40
  5. Step 5: Solve for x
    x = 12,590,226,041.40/127,962.56
  6. Step 6: Final answer
    x = 98,389.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.