Home / 156,899.89-235,275.91-56,989.63

Finding the Fourth Proportional to 156,899.89, 235,275.91 and 56,989.63

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Solution

The fourth proportional to 156,899.89, 235,275.91 and 56,989.63 is: 85,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,899.89 : 235,275.91 = 56,989.63 : x
  2. Step 2: Convert to fraction form
    156,899.89/235,275.91 = 56,989.63/x
  3. Step 3: Cross multiply
    156,899.89x = 235,275.91 × 56,989.63
  4. Step 4: Simplify right side
    156,899.89x = 13,408,287,058.81
  5. Step 5: Solve for x
    x = 13,408,287,058.81/156,899.89
  6. Step 6: Final answer
    x = 85,457.59

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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.