Home / 156,897.48-216,520.23-85,277.53

Finding the Fourth Proportional to 156,897.48, 216,520.23 and 85,277.53

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Solution

The fourth proportional to 156,897.48, 216,520.23 and 85,277.53 is: 117,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,897.48 : 216,520.23 = 85,277.53 : x
  2. Step 2: Convert to fraction form
    156,897.48/216,520.23 = 85,277.53/x
  3. Step 3: Cross multiply
    156,897.48x = 216,520.23 × 85,277.53
  4. Step 4: Simplify right side
    156,897.48x = 18,464,310,409.43
  5. Step 5: Solve for x
    x = 18,464,310,409.43/156,897.48
  6. Step 6: Final answer
    x = 117,683.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.