Home / 130,847.64-196,146.78-42,038.82

Finding the Fourth Proportional to 130,847.64, 196,146.78 and 42,038.82

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Solution

The fourth proportional to 130,847.64, 196,146.78 and 42,038.82 is: 63,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,847.64 : 196,146.78 = 42,038.82 : x
  2. Step 2: Convert to fraction form
    130,847.64/196,146.78 = 42,038.82/x
  3. Step 3: Cross multiply
    130,847.64x = 196,146.78 × 42,038.82
  4. Step 4: Simplify right side
    130,847.64x = 8,245,779,178.00
  5. Step 5: Solve for x
    x = 8,245,779,178.00/130,847.64
  6. Step 6: Final answer
    x = 63,018.17

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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.