Home / 152,128.56-227,095.26-128,535.60

Finding the Fourth Proportional to 152,128.56, 227,095.26 and 128,535.60

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Solution

The fourth proportional to 152,128.56, 227,095.26 and 128,535.60 is: 191,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,128.56 : 227,095.26 = 128,535.60 : x
  2. Step 2: Convert to fraction form
    152,128.56/227,095.26 = 128,535.60/x
  3. Step 3: Cross multiply
    152,128.56x = 227,095.26 × 128,535.60
  4. Step 4: Simplify right side
    152,128.56x = 29,189,825,501.26
  5. Step 5: Solve for x
    x = 29,189,825,501.26/152,128.56
  6. Step 6: Final answer
    x = 191,876.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.