Home / 156,741.10-235,111.65-112,782.40

Finding the Fourth Proportional to 156,741.10, 235,111.65 and 112,782.40

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Solution

The fourth proportional to 156,741.10, 235,111.65 and 112,782.40 is: 169,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.10 : 235,111.65 = 112,782.40 : x
  2. Step 2: Convert to fraction form
    156,741.10/235,111.65 = 112,782.40/x
  3. Step 3: Cross multiply
    156,741.10x = 235,111.65 × 112,782.40
  4. Step 4: Simplify right side
    156,741.10x = 26,516,456,154.96
  5. Step 5: Solve for x
    x = 26,516,456,154.96/156,741.10
  6. Step 6: Final answer
    x = 169,173.60

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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.