Home / 142,328.36-196,423.33-84,970.03

Finding the Fourth Proportional to 142,328.36, 196,423.33 and 84,970.03

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Solution

The fourth proportional to 142,328.36, 196,423.33 and 84,970.03 is: 117,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,328.36 : 196,423.33 = 84,970.03 : x
  2. Step 2: Convert to fraction form
    142,328.36/196,423.33 = 84,970.03/x
  3. Step 3: Cross multiply
    142,328.36x = 196,423.33 × 84,970.03
  4. Step 4: Simplify right side
    142,328.36x = 16,690,096,242.80
  5. Step 5: Solve for x
    x = 16,690,096,242.80/142,328.36
  6. Step 6: Final answer
    x = 117,264.73

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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.