Home / 156,928.04-216,556.14-85,306.22

Finding the Fourth Proportional to 156,928.04, 216,556.14 and 85,306.22

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Solution

The fourth proportional to 156,928.04, 216,556.14 and 85,306.22 is: 117,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,928.04 : 216,556.14 = 85,306.22 : x
  2. Step 2: Convert to fraction form
    156,928.04/216,556.14 = 85,306.22/x
  3. Step 3: Cross multiply
    156,928.04x = 216,556.14 × 85,306.22
  4. Step 4: Simplify right side
    156,928.04x = 18,473,585,721.19
  5. Step 5: Solve for x
    x = 18,473,585,721.19/156,928.04
  6. Step 6: Final answer
    x = 117,720.11

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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.