Home / 156,941.15-235,411.73-51,746.45

Finding the Fourth Proportional to 156,941.15, 235,411.73 and 51,746.45

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Solution

The fourth proportional to 156,941.15, 235,411.73 and 51,746.45 is: 77,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.15 : 235,411.73 = 51,746.45 : x
  2. Step 2: Convert to fraction form
    156,941.15/235,411.73 = 51,746.45/x
  3. Step 3: Cross multiply
    156,941.15x = 235,411.73 × 51,746.45
  4. Step 4: Simplify right side
    156,941.15x = 12,181,721,315.86
  5. Step 5: Solve for x
    x = 12,181,721,315.86/156,941.15
  6. Step 6: Final answer
    x = 77,619.68

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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.