Home / 156,587.02-235,005.05-56,775.76

Finding the Fourth Proportional to 156,587.02, 235,005.05 and 56,775.76

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Solution

The fourth proportional to 156,587.02, 235,005.05 and 56,775.76 is: 85,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,587.02 : 235,005.05 = 56,775.76 : x
  2. Step 2: Convert to fraction form
    156,587.02/235,005.05 = 56,775.76/x
  3. Step 3: Cross multiply
    156,587.02x = 235,005.05 × 56,775.76
  4. Step 4: Simplify right side
    156,587.02x = 13,342,590,317.59
  5. Step 5: Solve for x
    x = 13,342,590,317.59/156,587.02
  6. Step 6: Final answer
    x = 85,208.79

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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.