Home / 156,766.81-235,154.67-38,438.05

Finding the Fourth Proportional to 156,766.81, 235,154.67 and 38,438.05

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Solution

The fourth proportional to 156,766.81, 235,154.67 and 38,438.05 is: 57,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,766.81 : 235,154.67 = 38,438.05 : x
  2. Step 2: Convert to fraction form
    156,766.81/235,154.67 = 38,438.05/x
  3. Step 3: Cross multiply
    156,766.81x = 235,154.67 × 38,438.05
  4. Step 4: Simplify right side
    156,766.81x = 9,038,886,963.19
  5. Step 5: Solve for x
    x = 9,038,886,963.19/156,766.81
  6. Step 6: Final answer
    x = 57,658.17

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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.