Home / 156,528.64-234,773.80-66,607.48

Finding the Fourth Proportional to 156,528.64, 234,773.80 and 66,607.48

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Solution

The fourth proportional to 156,528.64, 234,773.80 and 66,607.48 is: 99,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,528.64 : 234,773.80 = 66,607.48 : x
  2. Step 2: Convert to fraction form
    156,528.64/234,773.80 = 66,607.48/x
  3. Step 3: Cross multiply
    156,528.64x = 234,773.80 × 66,607.48
  4. Step 4: Simplify right side
    156,528.64x = 15,637,690,792.86
  5. Step 5: Solve for x
    x = 15,637,690,792.86/156,528.64
  6. Step 6: Final answer
    x = 99,903.06

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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.