Home / 141,886.48-195,803.28-81,461.02

Finding the Fourth Proportional to 141,886.48, 195,803.28 and 81,461.02

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Solution

The fourth proportional to 141,886.48, 195,803.28 and 81,461.02 is: 112,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,886.48 : 195,803.28 = 81,461.02 : x
  2. Step 2: Convert to fraction form
    141,886.48/195,803.28 = 81,461.02/x
  3. Step 3: Cross multiply
    141,886.48x = 195,803.28 × 81,461.02
  4. Step 4: Simplify right side
    141,886.48x = 15,950,334,908.15
  5. Step 5: Solve for x
    x = 15,950,334,908.15/141,886.48
  6. Step 6: Final answer
    x = 112,416.17

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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.