Home / 156,938.40-235,522.80-104,330.40

Finding the Fourth Proportional to 156,938.40, 235,522.80 and 104,330.40

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Solution

The fourth proportional to 156,938.40, 235,522.80 and 104,330.40 is: 156,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.40 : 235,522.80 = 104,330.40 : x
  2. Step 2: Convert to fraction form
    156,938.40/235,522.80 = 104,330.40/x
  3. Step 3: Cross multiply
    156,938.40x = 235,522.80 × 104,330.40
  4. Step 4: Simplify right side
    156,938.40x = 24,572,187,933.12
  5. Step 5: Solve for x
    x = 24,572,187,933.12/156,938.40
  6. Step 6: Final answer
    x = 156,572.18

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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.