Home / 157,972.48-217,835.52-98,252.80

Finding the Fourth Proportional to 157,972.48, 217,835.52 and 98,252.80

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Solution

The fourth proportional to 157,972.48, 217,835.52 and 98,252.80 is: 135,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,972.48 : 217,835.52 = 98,252.80 : x
  2. Step 2: Convert to fraction form
    157,972.48/217,835.52 = 98,252.80/x
  3. Step 3: Cross multiply
    157,972.48x = 217,835.52 × 98,252.80
  4. Step 4: Simplify right side
    157,972.48x = 21,402,949,779.46
  5. Step 5: Solve for x
    x = 21,402,949,779.46/157,972.48
  6. Step 6: Final answer
    x = 135,485.31

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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.