Home / 156,938.74-235,406.04-38,611.10

Finding the Fourth Proportional to 156,938.74, 235,406.04 and 38,611.10

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Solution

The fourth proportional to 156,938.74, 235,406.04 and 38,611.10 is: 57,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.74 : 235,406.04 = 38,611.10 : x
  2. Step 2: Convert to fraction form
    156,938.74/235,406.04 = 38,611.10/x
  3. Step 3: Cross multiply
    156,938.74x = 235,406.04 × 38,611.10
  4. Step 4: Simplify right side
    156,938.74x = 9,089,286,151.04
  5. Step 5: Solve for x
    x = 9,089,286,151.04/156,938.74
  6. Step 6: Final answer
    x = 57,916.14

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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.