Home / 156,830.96-216,402.36-93,167.12

Finding the Fourth Proportional to 156,830.96, 216,402.36 and 93,167.12

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Solution

The fourth proportional to 156,830.96, 216,402.36 and 93,167.12 is: 128,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,830.96 : 216,402.36 = 93,167.12 : x
  2. Step 2: Convert to fraction form
    156,830.96/216,402.36 = 93,167.12/x
  3. Step 3: Cross multiply
    156,830.96x = 216,402.36 × 93,167.12
  4. Step 4: Simplify right side
    156,830.96x = 20,161,584,642.40
  5. Step 5: Solve for x
    x = 20,161,584,642.40/156,830.96
  6. Step 6: Final answer
    x = 128,556.15

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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.