Home / 100,948.10-151,422.15-96,355.40

Finding the Fourth Proportional to 100,948.10, 151,422.15 and 96,355.40

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Solution

The fourth proportional to 100,948.10, 151,422.15 and 96,355.40 is: 144,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948.10 : 151,422.15 = 96,355.40 : x
  2. Step 2: Convert to fraction form
    100,948.10/151,422.15 = 96,355.40/x
  3. Step 3: Cross multiply
    100,948.10x = 151,422.15 × 96,355.40
  4. Step 4: Simplify right side
    100,948.10x = 14,590,341,832.11
  5. Step 5: Solve for x
    x = 14,590,341,832.11/100,948.10
  6. Step 6: Final answer
    x = 144,533.10

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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.