Home / 156,985.10-235,477.65-125,881.10

Finding the Fourth Proportional to 156,985.10, 235,477.65 and 125,881.10

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Solution

The fourth proportional to 156,985.10, 235,477.65 and 125,881.10 is: 188,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.10 : 235,477.65 = 125,881.10 : x
  2. Step 2: Convert to fraction form
    156,985.10/235,477.65 = 125,881.10/x
  3. Step 3: Cross multiply
    156,985.10x = 235,477.65 × 125,881.10
  4. Step 4: Simplify right side
    156,985.10x = 29,642,185,607.42
  5. Step 5: Solve for x
    x = 29,642,185,607.42/156,985.10
  6. Step 6: Final answer
    x = 188,821.65

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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.