Home / 156,989.23-235,492.02-51,816.40

Finding the Fourth Proportional to 156,989.23, 235,492.02 and 51,816.40

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Solution

The fourth proportional to 156,989.23, 235,492.02 and 51,816.40 is: 77,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.23 : 235,492.02 = 51,816.40 : x
  2. Step 2: Convert to fraction form
    156,989.23/235,492.02 = 51,816.40/x
  3. Step 3: Cross multiply
    156,989.23x = 235,492.02 × 51,816.40
  4. Step 4: Simplify right side
    156,989.23x = 12,202,348,705.13
  5. Step 5: Solve for x
    x = 12,202,348,705.13/156,989.23
  6. Step 6: Final answer
    x = 77,727.30

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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.