Home / 156,619.40-234,929.10-94,411.40

Finding the Fourth Proportional to 156,619.40, 234,929.10 and 94,411.40

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Solution

The fourth proportional to 156,619.40, 234,929.10 and 94,411.40 is: 141,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,619.40 : 234,929.10 = 94,411.40 : x
  2. Step 2: Convert to fraction form
    156,619.40/234,929.10 = 94,411.40/x
  3. Step 3: Cross multiply
    156,619.40x = 234,929.10 × 94,411.40
  4. Step 4: Simplify right side
    156,619.40x = 22,179,985,231.74
  5. Step 5: Solve for x
    x = 22,179,985,231.74/156,619.40
  6. Step 6: Final answer
    x = 141,617.10

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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.