Home / 130,410.54-195,688.48-70,437.82

Finding the Fourth Proportional to 130,410.54, 195,688.48 and 70,437.82

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Solution

The fourth proportional to 130,410.54, 195,688.48 and 70,437.82 is: 105,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,410.54 : 195,688.48 = 70,437.82 : x
  2. Step 2: Convert to fraction form
    130,410.54/195,688.48 = 70,437.82/x
  3. Step 3: Cross multiply
    130,410.54x = 195,688.48 × 70,437.82
  4. Step 4: Simplify right side
    130,410.54x = 13,783,869,930.31
  5. Step 5: Solve for x
    x = 13,783,869,930.31/130,410.54
  6. Step 6: Final answer
    x = 105,695.98

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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.