Home / 157,171.48-216,901.32-96,776.96

Finding the Fourth Proportional to 157,171.48, 216,901.32 and 96,776.96

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Solution

The fourth proportional to 157,171.48, 216,901.32 and 96,776.96 is: 133,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,171.48 : 216,901.32 = 96,776.96 : x
  2. Step 2: Convert to fraction form
    157,171.48/216,901.32 = 96,776.96/x
  3. Step 3: Cross multiply
    157,171.48x = 216,901.32 × 96,776.96
  4. Step 4: Simplify right side
    157,171.48x = 20,991,050,369.59
  5. Step 5: Solve for x
    x = 20,991,050,369.59/157,171.48
  6. Step 6: Final answer
    x = 133,555.08

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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.