Home / 156,913.74-235,368.54-38,586.10

Finding the Fourth Proportional to 156,913.74, 235,368.54 and 38,586.10

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Solution

The fourth proportional to 156,913.74, 235,368.54 and 38,586.10 is: 57,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.74 : 235,368.54 = 38,586.10 : x
  2. Step 2: Convert to fraction form
    156,913.74/235,368.54 = 38,586.10/x
  3. Step 3: Cross multiply
    156,913.74x = 235,368.54 × 38,586.10
  4. Step 4: Simplify right side
    156,913.74x = 9,081,954,021.29
  5. Step 5: Solve for x
    x = 9,081,954,021.29/156,913.74
  6. Step 6: Final answer
    x = 57,878.64

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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.