Home / 104,096.60-143,531.70-98,491.40

Finding the Fourth Proportional to 104,096.60, 143,531.70 and 98,491.40

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Solution

The fourth proportional to 104,096.60, 143,531.70 and 98,491.40 is: 135,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,096.60 : 143,531.70 = 98,491.40 : x
  2. Step 2: Convert to fraction form
    104,096.60/143,531.70 = 98,491.40/x
  3. Step 3: Cross multiply
    104,096.60x = 143,531.70 × 98,491.40
  4. Step 4: Simplify right side
    104,096.60x = 14,136,638,077.38
  5. Step 5: Solve for x
    x = 14,136,638,077.38/104,096.60
  6. Step 6: Final answer
    x = 135,803.07

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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.