Home / 147,088.52-203,052.66-90,548.36

Finding the Fourth Proportional to 147,088.52, 203,052.66 and 90,548.36

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Solution

The fourth proportional to 147,088.52, 203,052.66 and 90,548.36 is: 125,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,088.52 : 203,052.66 = 90,548.36 : x
  2. Step 2: Convert to fraction form
    147,088.52/203,052.66 = 90,548.36/x
  3. Step 3: Cross multiply
    147,088.52x = 203,052.66 × 90,548.36
  4. Step 4: Simplify right side
    147,088.52x = 18,386,085,356.64
  5. Step 5: Solve for x
    x = 18,386,085,356.64/147,088.52
  6. Step 6: Final answer
    x = 125,000.14

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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.