Home / 147,552.90-203,615.80-83,889.34

Finding the Fourth Proportional to 147,552.90, 203,615.80 and 83,889.34

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Solution

The fourth proportional to 147,552.90, 203,615.80 and 83,889.34 is: 115,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,552.90 : 203,615.80 = 83,889.34 : x
  2. Step 2: Convert to fraction form
    147,552.90/203,615.80 = 83,889.34/x
  3. Step 3: Cross multiply
    147,552.90x = 203,615.80 × 83,889.34
  4. Step 4: Simplify right side
    147,552.90x = 17,081,195,075.57
  5. Step 5: Solve for x
    x = 17,081,195,075.57/147,552.90
  6. Step 6: Final answer
    x = 115,763.19

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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.