Home / 130,933.49-196,034.16-70,746.31

Finding the Fourth Proportional to 130,933.49, 196,034.16 and 70,746.31

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Solution

The fourth proportional to 130,933.49, 196,034.16 and 70,746.31 is: 105,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,933.49 : 196,034.16 = 70,746.31 : x
  2. Step 2: Convert to fraction form
    130,933.49/196,034.16 = 70,746.31/x
  3. Step 3: Cross multiply
    130,933.49x = 196,034.16 × 70,746.31
  4. Step 4: Simplify right side
    130,933.49x = 13,868,692,473.78
  5. Step 5: Solve for x
    x = 13,868,692,473.78/130,933.49
  6. Step 6: Final answer
    x = 105,921.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.