Home / 130,432.16-195,678.12-47,326.16

Finding the Fourth Proportional to 130,432.16, 195,678.12 and 47,326.16

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Solution

The fourth proportional to 130,432.16, 195,678.12 and 47,326.16 is: 71,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,432.16 : 195,678.12 = 47,326.16 : x
  2. Step 2: Convert to fraction form
    130,432.16/195,678.12 = 47,326.16/x
  3. Step 3: Cross multiply
    130,432.16x = 195,678.12 × 47,326.16
  4. Step 4: Simplify right side
    130,432.16x = 9,260,694,015.62
  5. Step 5: Solve for x
    x = 9,260,694,015.62/130,432.16
  6. Step 6: Final answer
    x = 71,000.08

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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.