Home / 105,541.48-158,146.98-63,317.80

Finding the Fourth Proportional to 105,541.48, 158,146.98 and 63,317.80

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Solution

The fourth proportional to 105,541.48, 158,146.98 and 63,317.80 is: 94,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,541.48 : 158,146.98 = 63,317.80 : x
  2. Step 2: Convert to fraction form
    105,541.48/158,146.98 = 63,317.80/x
  3. Step 3: Cross multiply
    105,541.48x = 158,146.98 × 63,317.80
  4. Step 4: Simplify right side
    105,541.48x = 10,013,518,850.24
  5. Step 5: Solve for x
    x = 10,013,518,850.24/105,541.48
  6. Step 6: Final answer
    x = 94,877.57

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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.