Home / 130,591.50-196,068.84-67,458.28

Finding the Fourth Proportional to 130,591.50, 196,068.84 and 67,458.28

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Solution

The fourth proportional to 130,591.50, 196,068.84 and 67,458.28 is: 101,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,591.50 : 196,068.84 = 67,458.28 : x
  2. Step 2: Convert to fraction form
    130,591.50/196,068.84 = 67,458.28/x
  3. Step 3: Cross multiply
    130,591.50x = 196,068.84 × 67,458.28
  4. Step 4: Simplify right side
    130,591.50x = 13,226,466,708.00
  5. Step 5: Solve for x
    x = 13,226,466,708.00/130,591.50
  6. Step 6: Final answer
    x = 101,281.22

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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.