Home / 156,829.96-216,400.98-93,166.12

Finding the Fourth Proportional to 156,829.96, 216,400.98 and 93,166.12

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Solution

The fourth proportional to 156,829.96, 216,400.98 and 93,166.12 is: 128,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,829.96 : 216,400.98 = 93,166.12 : x
  2. Step 2: Convert to fraction form
    156,829.96/216,400.98 = 93,166.12/x
  3. Step 3: Cross multiply
    156,829.96x = 216,400.98 × 93,166.12
  4. Step 4: Simplify right side
    156,829.96x = 20,161,239,670.80
  5. Step 5: Solve for x
    x = 20,161,239,670.80/156,829.96
  6. Step 6: Final answer
    x = 128,554.77

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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.