Home / 156,952.20-235,428.30-144,971.40

Finding the Fourth Proportional to 156,952.20, 235,428.30 and 144,971.40

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Solution

The fourth proportional to 156,952.20, 235,428.30 and 144,971.40 is: 217,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,952.20 : 235,428.30 = 144,971.40 : x
  2. Step 2: Convert to fraction form
    156,952.20/235,428.30 = 144,971.40/x
  3. Step 3: Cross multiply
    156,952.20x = 235,428.30 × 144,971.40
  4. Step 4: Simplify right side
    156,952.20x = 34,130,370,250.62
  5. Step 5: Solve for x
    x = 34,130,370,250.62/156,952.20
  6. Step 6: Final answer
    x = 217,457.10

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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.