Home / 157,633.94-217,533.02-86,015.16

Finding the Fourth Proportional to 157,633.94, 217,533.02 and 86,015.16

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Solution

The fourth proportional to 157,633.94, 217,533.02 and 86,015.16 is: 118,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,633.94 : 217,533.02 = 86,015.16 : x
  2. Step 2: Convert to fraction form
    157,633.94/217,533.02 = 86,015.16/x
  3. Step 3: Cross multiply
    157,633.94x = 217,533.02 × 86,015.16
  4. Step 4: Simplify right side
    157,633.94x = 18,711,137,735.62
  5. Step 5: Solve for x
    x = 18,711,137,735.62/157,633.94
  6. Step 6: Final answer
    x = 118,699.93

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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.