Home / 147,541.35-203,624.34-83,888.72

Finding the Fourth Proportional to 147,541.35, 203,624.34 and 83,888.72

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Solution

The fourth proportional to 147,541.35, 203,624.34 and 83,888.72 is: 115,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,541.35 : 203,624.34 = 83,888.72 : x
  2. Step 2: Convert to fraction form
    147,541.35/203,624.34 = 83,888.72/x
  3. Step 3: Cross multiply
    147,541.35x = 203,624.34 × 83,888.72
  4. Step 4: Simplify right side
    147,541.35x = 17,081,785,243.44
  5. Step 5: Solve for x
    x = 17,081,785,243.44/147,541.35
  6. Step 6: Final answer
    x = 115,776.26

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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.