Home / 127,172.34-175,502.16-69,816.24

Finding the Fourth Proportional to 127,172.34, 175,502.16 and 69,816.24

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Solution

The fourth proportional to 127,172.34, 175,502.16 and 69,816.24 is: 96,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,172.34 : 175,502.16 = 69,816.24 : x
  2. Step 2: Convert to fraction form
    127,172.34/175,502.16 = 69,816.24/x
  3. Step 3: Cross multiply
    127,172.34x = 175,502.16 × 69,816.24
  4. Step 4: Simplify right side
    127,172.34x = 12,252,900,923.08
  5. Step 5: Solve for x
    x = 12,252,900,923.08/127,172.34
  6. Step 6: Final answer
    x = 96,348.79

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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.