Home / 147,295-203,258.04-86,868.16

Finding the Fourth Proportional to 147,295, 203,258.04 and 86,868.16

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Solution

The fourth proportional to 147,295, 203,258.04 and 86,868.16 is: 119,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,295 : 203,258.04 = 86,868.16 : x
  2. Step 2: Convert to fraction form
    147,295/203,258.04 = 86,868.16/x
  3. Step 3: Cross multiply
    147,295x = 203,258.04 × 86,868.16
  4. Step 4: Simplify right side
    147,295x = 17,656,651,940.01
  5. Step 5: Solve for x
    x = 17,656,651,940.01/147,295
  6. Step 6: Final answer
    x = 119,872.72

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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.