Home / 157,630.60-217,533.36-86,012.56

Finding the Fourth Proportional to 157,630.60, 217,533.36 and 86,012.56

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Solution

The fourth proportional to 157,630.60, 217,533.36 and 86,012.56 is: 118,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,630.60 : 217,533.36 = 86,012.56 : x
  2. Step 2: Convert to fraction form
    157,630.60/217,533.36 = 86,012.56/x
  3. Step 3: Cross multiply
    157,630.60x = 217,533.36 × 86,012.56
  4. Step 4: Simplify right side
    157,630.60x = 18,710,601,179.00
  5. Step 5: Solve for x
    x = 18,710,601,179.00/157,630.60
  6. Step 6: Final answer
    x = 118,699.04

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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.