Home / 156,897.19-216,519.44-85,277.19

Finding the Fourth Proportional to 156,897.19, 216,519.44 and 85,277.19

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Solution

The fourth proportional to 156,897.19, 216,519.44 and 85,277.19 is: 117,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,897.19 : 216,519.44 = 85,277.19 : x
  2. Step 2: Convert to fraction form
    156,897.19/216,519.44 = 85,277.19/x
  3. Step 3: Cross multiply
    156,897.19x = 216,519.44 × 85,277.19
  4. Step 4: Simplify right side
    156,897.19x = 18,464,169,423.57
  5. Step 5: Solve for x
    x = 18,464,169,423.57/156,897.19
  6. Step 6: Final answer
    x = 117,683.24

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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.