Home / 156,341.56-234,372.18-56,478.28

Finding the Fourth Proportional to 156,341.56, 234,372.18 and 56,478.28

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Solution

The fourth proportional to 156,341.56, 234,372.18 and 56,478.28 is: 84,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,341.56 : 234,372.18 = 56,478.28 : x
  2. Step 2: Convert to fraction form
    156,341.56/234,372.18 = 56,478.28/x
  3. Step 3: Cross multiply
    156,341.56x = 234,372.18 × 56,478.28
  4. Step 4: Simplify right side
    156,341.56x = 13,236,937,606.25
  5. Step 5: Solve for x
    x = 13,236,937,606.25/156,341.56
  6. Step 6: Final answer
    x = 84,666.79

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1.5x scale

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.