Home / 145,976.16-201,321.30-94,970.28

Finding the Fourth Proportional to 145,976.16, 201,321.30 and 94,970.28

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Solution

The fourth proportional to 145,976.16, 201,321.30 and 94,970.28 is: 130,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,976.16 : 201,321.30 = 94,970.28 : x
  2. Step 2: Convert to fraction form
    145,976.16/201,321.30 = 94,970.28/x
  3. Step 3: Cross multiply
    145,976.16x = 201,321.30 × 94,970.28
  4. Step 4: Simplify right side
    145,976.16x = 19,119,540,230.96
  5. Step 5: Solve for x
    x = 19,119,540,230.96/145,976.16
  6. Step 6: Final answer
    x = 130,977.14

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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.