Home / 130,929.23-196,210.81-70,827.97

Finding the Fourth Proportional to 130,929.23, 196,210.81 and 70,827.97

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Solution

The fourth proportional to 130,929.23, 196,210.81 and 70,827.97 is: 106,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,929.23 : 196,210.81 = 70,827.97 : x
  2. Step 2: Convert to fraction form
    130,929.23/196,210.81 = 70,827.97/x
  3. Step 3: Cross multiply
    130,929.23x = 196,210.81 × 70,827.97
  4. Step 4: Simplify right side
    130,929.23x = 13,897,213,364.36
  5. Step 5: Solve for x
    x = 13,897,213,364.36/130,929.23
  6. Step 6: Final answer
    x = 106,142.94

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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.