Home / 156,918-235,374.90-38,590.35

Finding the Fourth Proportional to 156,918, 235,374.90 and 38,590.35

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Solution

The fourth proportional to 156,918, 235,374.90 and 38,590.35 is: 57,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918 : 235,374.90 = 38,590.35 : x
  2. Step 2: Convert to fraction form
    156,918/235,374.90 = 38,590.35/x
  3. Step 3: Cross multiply
    156,918x = 235,374.90 × 38,590.35
  4. Step 4: Simplify right side
    156,918x = 9,083,199,772.22
  5. Step 5: Solve for x
    x = 9,083,199,772.22/156,918
  6. Step 6: Final answer
    x = 57,885.01

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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.